    [From the U.S. Government Printing Office, www.gpo.gov]

                                        77,-@:a

             FWSIOBS-84/13
             July 1984

             Atlas of Wading Bird and Seabird
             Nesting Colonies in Coastal Louisiana,
             Mississippi, and Alabama: 1983

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                 1984

                        Jldlife Service                 Coastal Management    Section
             U.S. Department of"the  Interior                Louisiana Department of
                                                                   Natural Resources

                 Cover photographs:   (Clockwise from upper left) Anhinga (Anhinqa anhinga) -
                 photograph by J.A. Spendelow; Black Skimmer (Rynchops niger) - photograph by
                 C. E. Keller; Little Blue Heron (Egretta caerulea) and American Alligator
                 (Alligator mississippiensis) - photo-graph by J.A. Spendelow.

                                                                            FWS/OBS-84/13
                                                                            July 1984

                                ATLAS OF WADING BIRD AND SEABIRD NESTING COLONIES
                               IN COASTAL LOUISIANA, MISSISSIPPI, AND ALABAMA: 1983

                                                       by

                                                Cherry E. Keller
                                              Jeffrey A. Spendelow
                                                Richard D. Greer
                                         U.S. Fish and Wildlife Service
                                        National Coastal Ecosystems Team
                                                1010 Gause Blvd.
                                                Slidell, LA 70458

                                         Contract No. 14-16-0009-83-1805

                                  This study was conducted in cooperation with
                                           Coastal Management Section
                                    Louisiana Department of Natural Resources
                                                 P.O. Box 44396
                                              Baton Rouge, LA 70804

                                                  Performed for

                                        National Coastal Ecosystems Team
                                         Division of Biological Services
                                            Research and Development
                                            Fish and Wildlife Service
                                         U.S. Department of the Interior
                                              Washington, DC 20240

                                                 DISCLAIMER

                    The findings in this' report are not to be construed as an official U.S.
               Fish and Wildlife position unless so,designated by other authorized documents,
               nor does the mention of any commercial items indicate an endorsement by the
               U.S. Government.

               Library of Congress Card Number 84-601065

                This report should be cited as:

                Keller, C.E., J.A. Spendelow, and R.D. Greer. 1984. Atlas of wading bird and
                  seabird nesting colonies in coastal Louisiana, Mississippi, and Alabama:
                  1983. U.S. Fish Wildl. Serv. FWS/OBS-84/13. vi and 127 pp.

                                                      PREFACE

                     Aerial surveys of waterbird colonies in coastal Louisiana, Mississippi ,
                and Alabama were conducted in May and June of 1983.     The major objective of
                these surveys was to provide up-to-date locations of active colony sites.
                Historic colony sites reported in 1976 and 1978 were checked and additional
                areas were searched for new colonies.      The location, species composition,
                habitat and an overall estimate of colony size were recorded for each of the
                188 active colonies observed in 1983. Locations were mapped on both 1:250,000
                and 1:24,000 scale maps.

                     Any suggestions or questions regarding this report should be directed to:

                                        Information Transfer Specialist
                                        National Coastal Ecosystems Team
                                        U.S. Fish and Wildlife.Service
                                        NASA-Slidell Computer Complex
                                        1010 Gause Blvd.
                                        Slidell, LA 70458
                                        (504) 255-6511; FTS 685-6511

                                                                             now

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                                                                       44"0"

               Caspian (A), Royal (B), and Sandwich (C) Terns nesting on -a natural barrier
               beach at Colony 603053. Caspian Terns tend to aviod bare sand and do not form
               dense subcolonies as do the similar sized Royal Terns or the smaller Sandwich
               Terns.    Photograph by J.A. Spendelow.

                                                        iii

                                                     CONTENTS

                                                                                               Page

               PREFACE  ..............................................................          iii
               FIGURES  ..............................................................             V
               TABLES  .................................................................           v
               ACKNOWLEDGMENTS   ........................................................        vi

               INTRODUCTION   ...........................................................          I
               METHODS  ................................................................           I
                 Study Area   ...........................................................          1
                  Surveys  ..............................................................          2
                 Data Collection   ......................................................          3
               COMPARISON OF 1976, 1978, and 1983 COLONY LOCATIONS      ....................       4
               ATLAS ORGANIZATION   .....................................................          5
               MAPS AND TABLES  ................ o.................. o  ....................       7

               LITERATURE CITED   .......................................................       127

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               Adult Tricolored Heron on nest at edge of black mangrove (Avicennia) thicket.
               Note that the nest is below the topmost branches, but is not completely
               beneath the canopy. Photograph by C.E. Keller.

                                                         iv

                                                          FIGURES

                 Number                                                                             Paqe

                    1       Wetland habitat types of study area      ...........................       2

                    2       Flight routes taken during surveys      ............................       3

                    3       Index to USGS 1:250,000 scale maps used in this study        .........     7

                    4       Locations of waterbird nesting colonies on map 588      ............       8

                    5       Locations of waterbird nesting colonies     on map 589  ............       9

                    6       Locations  of waterbird  nesting  colonies  on map  590 ............     10

                    7       Locations  of waterbird  nesting  colonies  on map  601 ............     11

                    8       Locations  of waterbird  nesting  colonies  on map  602 ............     12

                    9       Locations  of waterbird  nesting  colonies  on map  603 ............     13

                                                          TABLES

                 Number                                                                             Paqe

                    I       Subsequent attendance of 134 colany sites first
                            observed in 1976    ..............................................         4

                    2       Explanation of codes appearing in Tables 3 and 4       ..............    14

                    3       Waterbird colonies of Louisiana, Mississippi, and
                            Alabama (present and historic sites arranged by
                            colony number)    ................................................       17

                    4       1983 waterbird colonies of Louisiana, Mississippi,
                            and Alabama (arranged alphabetically by USGS quad
                            name)   .........................................................        23

                                                             v

                                              ACKNOWLEDGMENTS

                  These surveys were supported by the Coastal Management Section of the
             Louisiana Department of Natural Resources (funded through a grant from the
             National Oceanic and Atmospheric Administration, Number NA-80-AA-H-CZ181), and
             the U.S. Fish and Wildlife Service's National Coastal Ecosystems Team.       We
             would like to thank Helen Kennedy and Joel Lindsey of the Coastal Management
             Section and James Johnston of the U.S. Fish and Wildlife Service for their
             administrative support of this project.   The skill, interest, and patience of
             pilots Michael Chapman and Don Scott added significantly to the efficiency and
             completeness of the surveys. We gratefully acknowledge their help.

                                            A

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                                                                                01

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              Adult Great Egret at nest in  top of magnolia (Magnolia sp.) tree.  Photograph
              by C.E. Keller.

                                                     v i

                                                     INTRODUCTION

                     The coastal area of Louisiana, Mississippi , and Alabama supports a tre-
                mendous population of colonial waterbirds.        More than 847,000 birds of 26
                species have been reported nesting in the area's coastal swamps and marshes,
                and on barrier islands (Portnoy 1977). For several species, more than half of
                their entire U.S. coastal population breeds in these states (Spendelow and
                Patton 1984 ).   Clearly this region is important for these birds, and their,
                nesting sites require protection.

                     Nesting colonies in this area were completely censused by both ground and
                aerial surveys in 1976 (Portnoy 1977).      In 1978, aerial surveys were used to
                check the status of previously located colonies, and results indicated that
                25% of the 1976 sites were deserted (Portnoy 1978 and Table 1 on page 4 of
                this report).    A 1981 survey of a small portion of the area again indicated
                more deserted colonies     (Keller 1981).    It seems most probable that these
                deserted colonies were the result of birds moving to new colony sites, but
                neither the 1978 or 1981 surveys searched for new colonies.          Thus, resource
                managers were left with insufficient information regarding new colony loca-
                tions to effectively protect these areas.

                     The present survey was conducted to update the status of previously
                recorded colony sites and to search the study area for new colonies.              Our
                objectives were to (1) locate and map all active colonies on 1:24,000 and
                1:250,000 scale maps, (2) check the status of all historic sites except for
                Least Tern (Sterna antillarum) sites, (3) determine the species composition
                of the colon`y_,_(24@ estimate overall colony size, and (5) record habitat(s)
                used for nesting by the various species.

                                                        METHODS

                STUDY AREA

                     The study area includes the coastal marshes, beaches, and barrier islands
                of Louisiana, Mississippi, and Alabama, and the inland swamp and marshlands of
                the Atchafalaya Basin, Lake Maurepas and Lake Salvador regions (Figure 1).
                This is the same area surveyed in 1976 and 1978.            Subsidence, accretion,
                erosion, and delta formation are all active processes in the study area which
                result in rapid changes in the landscape of the coastal region.           We relied
                heavily on wetland habitat maps constructed from 1978 aerial photography by
                Coastal  Environments,   Inc.   (Wicker et al.    1980) for the most up-to-date
                illustration of the landforms.       These 1:24,000 scale maps use the wetland
                classification system designed by Cowardin'et'al. (1979).        In some areas such

                                                           1

                                                                                                  31-

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                    5
                         0

                                                                                                  30-

                                                                              op

                                              Nk k4
                      Swamp                                 146%    49A TARIA
                                                                     BA Y
                  ED  Fresh Marsh                              00                                 29-
                      Brackish Marsh                GULF OF MEXICO

                      Salt Marsh                                                  0 20 40 60 80 100k@

                1141         113'        12*          91.         IF                          818.

                Figure 1.  Wetland habitat types of study area.      (Adapted from Portnoy 1977).

                as the Chandeleur Islands, changes that have occurred since these maps were
                produced are noted. If wetland maps were not available at this scale for some
                inland areas, the most recent U.S. Geological Survey (USGS) topographic maps
                were used instead.

                SURVEYS

                     Aerial surveys of the study area were conducted twice during the breeding
                season.  The first   set of surveys was conducted using a fixed-wing aircraft
                ,(Cessna 172) on 7   days from 2 to 17 May.       At this time the wading birds
                (herons, egrets and ibises) and Forster's Terns (Sterna forsteri) were nest-
                ing, but the gulls,  other terns, and Black Skimmers (RyF_c@_opsaLqer) that nest
                on beach areas had  not yet begun.    Colony sites located in 1976 and 1978 were
                surveyed, and additional swamp and marsh areas were intensively searched for
                new wading bird colonies. The use of fixed-wing aircraft at this time enabled
                a cost-effective search of the large expanses of marsh and swampland used by
                nesting wading birds.

                     The second set of surveys was conducted on 6 days from 2 to 14 June using
                a Bell Jet Ranger helicopter.     Colonies discovered in May were surveyed again
                and beach areas were intensively searched for new colonies of the later-
                nesting gulls, terns, and skimmers.     In June we chose different flight routes
                to colonies in the marsh and swamp habitats to increase our coverage of the
                study area.   The use of a helicopter during these surveys allowed us a more
                detailed examination of each colony, and resulted in a more complete assess-
                ment of species composition and better estimates of colony size.

                                                          2

                       Ninty-one flight hours were logged during the study.          Figure 2 illus-
                  trates the flight routes taken during the surveys.           Active colonies were
                  usually visible within 1 km of either side of the airplane, but concentrations
                  of feeding adults or flight lines of birds often led us to colonies farther
                  from the plane.    Colonies including Great Egrets (Casmerodius albus) could be
                  seen at greater distances than other colonies because these T@_rgewhite birds
                  nest in the tree tops.     Colonies of darker birds, such as Tricolored (Egretta
                  tricolor) or Little Blue Herons (L. caerulea) nesting in shrubs were more
                  difficult to locate.    White This (Eudocimus albus) colonies, where the birds
                  were nesting in the lower branches or understory shrubs of cypress/tupelo
                  swamp, were also difficult to see from a distance.

                  DATA COLLECTION

                       During surveys, one principal observer (JAS) described species composi-
                  tion, nesting habitat, and also estimated colony sizes.          A second observer
                  (CEK) assisted with species observations and estimates of colony size. Colony
                  sizes are estimates of the number of birds visible from the aircraft.            (See
                  Table 2 on page 14 for description of size        classes.)   The second observer
                  also navigated and plotted colonies on USGS 1:250,000 scale maps.           A third
                  observer (RDG) plotted colony locations on        1:24,000 scale maps which were
                  either USGS topographic or wetland habitat        maps, depending on which were
                  available for the area.

                       Colonies were defined as groups of birds nesting together and separated
                  by at least I km from other groups of nesting     birds.   Exceptions to this were
                  made when birds inhabited islands which were       less than 1 km apart, but the
                  species composition on the two islands was substantially different.               For
                  example, a mixed group of herons nesting on one island, and Forster's Terns on
                  another island 0.5 km away, were labeled as two separate colonies.        The 1   km-
                  distance was also used to determine if historic sites were deserted.               If
                  nesting birds were not found within      a 1 km-radius of the historic location,

                                                                          MISSISS
                                        LOUISIANA     APM               105

                                Figure 2. Flight routes taken dur-ing surveys.

                                                           3

              the colony site was considered deserted.          Historic locations were determined
              from Portnoy (1976, 1978), Keller (1981), and site maps drawn by John Portnoy
              for each colony on data forms on        file at the Colonial Bird Register, Cornell
              Laboratory of Ornithology, Ithaca", New York.

                    Species considered in this        report are listed in Table 2 on page 14.
              Though Least Terns are included, they are too small and cryptic in single-
              species colonies to always be detected from an aircraft.             However, they could
              be observed after locating a colony also occupied by other birds.                 For this
              reason, historic Least Tern colonies are designated with a "0*" to indicate
              that although no birds were observed, the presence/absence of this species
              could be adequately assessed from the air.

                               COMPARISON OF 1976, 1978, and 1983 COLONY LOCATIONS

                    Nesting sites of colonial birds tend to be used year           after year, but (as
              illustrated in Figures 4 through 9), some colony sites are           deserted. In order
              to analyze colony stability and colony site desertion,               we have chosen 134
              colonies that were surveyed in all 3 years (Table 1).                This excludes seven
              Least Tern colonies and any sites not visited in all 3               years.    Sixty-seven
              colonies (50%) were active in all 3 years.             Twenty-five   colonies (19%) were
              deserted by 1978, 30 colonies (22%) were deserted by 1983, and 12 colonies
              (9%) were deserted in 1978 but recolonized by 1983.

              Table 1.    Subsequent attendance of 134 colony sites first observed in 1976.
              X = active, 0 = deserted.

              Attendance                                                 Number and % of colonies
                history            1976        1978         1983      with each    attendance history

              Stable                 x           X           x                 67          (50%)
              Deserted   in 1978     x           0           0                 25          (19%)
              Deserted   in 1983     x           x           0                 30          (22%)
              Recolonized            x           0           x                 12             9%)
                                                                               134

                    Considering that 102 new colonies were found in 1983, colony desertion is
              most likely balanced by birds shifting to new colony sites.               The reasons for
              colony site desertion and recolonization are complex and can include habitat
              changes, flooding, disturbance, predation and competition (McNicholl 1975,
              Ogden et al. 1979; Erwin et al. 1981; Burger 1982).              Disturbance, predation,
              and competition could not be evaluated in this study, but changes in the
              coastal habitat are pronounced in Louisiana and were apparent causes for
              shifts at some sites.        For example, eight of the colonies deserted by 1983
              were on coastal islands which were either completely or nearly submerged in

                                                             4

                  1983.    The unusually high water levels of 1983 no doubt contributed to this
                  probl em.   Habitat changes may also create new sites.           Birds apparently de-
                  serted colony sites 602010, 602011, and 602012 and shifted south to newly
                  formed islands of the building Atchafalaya delta (colonies 602080, 602081,
                  602082).    Although we cannot confirm this without marked birds, species com-
                  position of the three deserted sites and the three new colonies are similar.

                        The conclusion of this is simply that.' colony 'distributions are changing
                  and at this time we do not know what, if any, effect this shifting has on
                  population numbers.     Updates of colony distributions will have to be continued
                  to keep accurate distribution information.          The colony turnover rate (Erwin
                  1977) is 0.14 per year, indicating a 14% change in colony distribution every
                  year (desertion plus establishment).          We recommend, therefore, that colony
                  surveys be repeated every 2 years to maintain accurate distribution informa-
                  tion.

                                                     ATLAS ORGANIZATION

                        The atlas is arranged in three sections.         First is an index map (Figure
                  3) and a series of photographically reduced 1:250,000 scale maps (Figures 4-9)
                  which depict present and historic colony locations.              All colony sites are
                  assigned a six-digit number.        The first three digits identify the 1:250,000
                  scale map (Figure 3) where the colony is located, and the last three identify
                  the individual colony.      This number system is used in all U.S. Fish a,nd Wild-
                  life Service colony atlases, and colonies identified in 1976 or 1978 retained
                  their same number.

                        Table 2 explains the number and letter codes used in Tables 3 and 4 to
                  describe the status of all colony sites, and the species composition and over-
                  all colony size of active colonies.         Table 3 gives the status of all colony
                  sites depicted on the 1:250,000 scale maps',and is arranged numerically by
                  colony numbers so that information regarding a colony located on any map can
                  be easily found.      Table 4 describes the size and species composition of all
                  active sites found in 1983.        The location of these colonies are depicted in
                  the third and largest section, a series of reduced 1:24,000 scale maps. These
                  are either 1978 wetland habitat maps or USGS topographic maps if wetland
                  habitat maps were unavailable for the area.           These maps are arranged alpha-
                  betically by quadrangle name.

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                                    Immature Great Egrets.                     Photograph        by C.E. Keller

                                                                                            6

                                                                                                                                                                                125, 120* 115 110*                                        105- 100,                 95*                           90*                 85-                           so*                                  75*
                                                                                                                                                                                1551
                                                                                                                                                                                156 157
                                                                                                                                                                                114 158
                                                                                                                                                                                1/5 176 159 160 161 162 163                                                         154
                                               45'                                                                                                                              95 196 177 178 179 164                                    165
                                                                                                                                                                                ?19 1971180 181 182                                       166 167 168 169           170             111  172      173
                                                                                                                                                                                243 2?0 ?,,1 199 @00 183                                  194 185 196 197 188       189             190  1.,      192
                                                                                                                                                                                244                                                       204                                                                                            215
                                                                                                                                                                                @45 er-,"5                                                        208               209             210
                                                                                                                                                                                2;                                                        228                                                                                                                                            264
                                                                                                                                                                                298 249                                                           232               233             234
                                                                                                                                                                                1199                                                                      -
                                                                                                                                                                                                                                          253 254 255 256           257             258
                                               40*                  353                                                                                                         354 31D 304-                                              291 282 283 284                                             -                                    31B             119             320                      350
                                                                379                                                                                                             3o 331 332, 333  307                                      308 309 310 311           312             313                                                                      3A
                                                                                                                                                                                3SO 387358                                                336 337 338                                                                             345        IA6                                         316
                                                               404                                                                                                              405 406 3&1 383 394 359 360                               363 364 365 366           367             369           369    370          371                        373          31                         4mol           M3
                                                                                                                                                                                430 @uf 40S 385 336                                       389 390 391 392           393             394           395    396          3q7                         399          40MO                      426 427
                                                                                                                                                                                454 431 432 433 409 410 41                                                                                                                           A71           424           0                             452
                                                                                                                                                                                4534435                                                   414 415 416 417           418             414           4ZQ     -                                                        450                   d,51             453
                                               35*                                                                                                                              477 47. 456 437 458 436                                   439 44U-                                                                                                   449                                 475    416
                                                                                                                                                                                479 459 460                                               441     442               443             444           445                                                 A
                                                                                                                                                                                491    462                                                46, 464                                                 "o                     471                                                                      A99
                                                                                                                                                                                V                                                         465     466               467             4608                                                                             497
                                                                                                                                                                                                                                                                                                                         494                                                                          523
                                                                                                                                                                                525 504 505 506 483 494 485                               496 487 498 489           490             491           AW                                                                                     522
                                                                                                                                                                                5216 527 507 508 509                                      510 511 512 513           514             515           @16                      519                          520              543                5A4
                                                                                                                                                                                545 >46 547 5Z8 529 530 531                               532 533 534 535           536             537           538        539           W                             542                             564
                                               30'                                                                                                                              548 549 550 551                                           552                                                                                60             561            5a             56)
                                                                                                                                                                                /565 566 567 569                                          570 553 554 555           556             557           558        559                8           579             590                          W
                                                       623o                                                                                                                                                                               571 572 573               5                                                                        592             $93                         50
                                                                      624                                                                                                       625 5&?                                                   583 584 585 586           5               588           99-1- 590                     91                              605                      606
                                                                                                                                                                                                                                                  -                                               602            603                           604
                                                                                                                                                                                595                                                       5% 597 598 599            600             1                                                                         611                        612
                                                              HAWA 11                                                                                                           626 ALASKA                                                607 608                                                                                                                                        616
                                                                                                                                                                                627 1-153                                                 61      614                                                                                                                                    619

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                                                                                                                                                                                                                                          PUERTO RICO AM                                                                                                                                 621
                                                                                                                                                                                                                                          f-62-2
                                                                                                                                                                                                                                          VIRGIN ISLANDS'           95*                                   90*                                       85,                                        so,

                                                    Figure 3. Index to USGS 1:250,000 scale                                                                                                                                               maps used in this study.

                              31ON
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                   CO

                                                                                                                                                 N

                                                                                        8006

                                                                                                                                                 SCALE IN KILOMETERS
                                                                                                                    5880
                                                                                              588007                                            10       0       10

                                                                             588003,@

                            309 N                                                                                                                      ---j
                                94 W     LAKE CHARLES              5   01 6886k

                        Figure 4. Locations of waterbird nesting colonies on map                                      588. Colonies active in 1983 (4
                        sites (o), and historic colonies not surveyed in 1983 (N)                                     are indicated.

                                      31ON

                                                                                                                                                                                    t

                                                                                                                                                                    N

                                                                                                                                                                    SCALE IN KILOMETER

                                                                                                                                                                   10        0        10

                                      589001

                                           589002                                                                                                                                 589014
                                      589022
                                      589003
                                      589004                                                           58q9O3O
                                                                                                       589029

                                      589027
                                                                                           Z@

                                                                                                                                                                                       589

                                      30ON                             -6 . . . . . . . . . . .
                                           920W              589 25 58   6            589007       MUM$      ---026                           589009    589028   1589019      589018
                                      BATON ROUGE                             589024          589005                                                          589020

                             Figure 5.           Locations of waterbird nesting colonies on map 589.                                           Colonies active in 1983
                             sites (o), and historic Least Tern colony sites (*) are indicated.

                                                                                    r

                                                                        N

                                                                        SCALE IN KILOMETERS

                                                                       10      0       10.     20     30

                                                                                                                                                            Aw-

               C:)
                                                                                      <

                                                                                                          5
                                                                                                          59 )007
                                                                                                           "
                                                                                                      590006
                                                                                                                                    Z)UUUZZ               590025
                                                                                             jL9000@5
                                                                                     590003 590004                                 590026
                                                                                                                                        590037
                                                                                                       590019                -c=n@z-@59001 0                506;6
                                                                                         -5T0018         11                590023  _`@ @590011
                                      590028
                                                                                                            "590036                                   590012 59001
                                                                5900010                590008
                                                                    5900271o            I
                                                                 51900299   59003         '@50590035
                                                                       --- 590002             90034                               G U L F 0 V   MEXICO

                                                                                59          59000
                         30'N+
                             900W                                                 590032 590033
                          MOBILE

                     Figure 6.        Locations of waterbird nesting colonies on map 590.                               Colonies active in 1983 (0)
                     sites (o),       historic Least Tern colony sites (*) and historic colonies not surveyed in 1983

                             94*w          601001                                        601003          601024 601007 601018
                          30-N               -               601015                        -      60102

                                                                                 5010

                                                                                                                      301017

                                                                   6010102            -)1013
                                                   601011                  601012                601014                                       'Zo--
                                                                                                       601

                                                                                                             6 1005

                                   N

                                   SCALE IN KILOMETERS

                                  10      0      10      20     30                     G U L F        0. F       M E X I C 0

                      Figure 7.       Locations of waterbird nesting colonies on nap 601.                            Colonies active in 1983 (e
                      sites (o), and historic Least Tern colony sites (*) are indicated.

                                                                                                                                                        602 0              602023    60202
                                  920W                              602004                                                602016     60201   602075 6020 6 602019     602087 602024
                             30*N                                                                                                                                     2022

                                             602001

                                                                                                                                                     -D2

                                                                                                                      602 7
                                                                                                                                      //20

                                                                                                                                          AQ9074

                                                     60200.

                                                 11- wrE      -1
                                                                                                                    !01

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                                                                      V        602009

                rQ                                                                                          .-Vo
                                               Q 602006

                                                                                     602093

                                                                                         60205

                                                                                                     602013--

                                      N
                                                                                                                                                                         602069 -
                                                                         J,                                                                                602097 602071     60.2038   6020
                                                                               C                                                                 @OY2-  0 03'4
                                      SCALE IN KILOMETERS                                                                                                                    602 42
                                                                                                                                                         60205
                                     10        0       10       20       30                                              6020                               .,- @ @t(3'0204@1            (I
                                                                                                                             31       2094 602056       62096    602098    602053  602039
                             290N 920W                                                                                               02055        60    33
                            NEW ORLEANS

                        Figure 8.           Locations of waterbird nesting colonies on map 602.                                           Colonies active in 1983 (0)
                        sites (o), and historic Least Tern colony sites (*) are indicated.

                                                                                                             603009     603
                                     30'N                                                                                         6
                                                                                                                                   ,Q301 0

                                                                                                                              6603065
                                                                                                                              0603011
                                                                        60 068                                         -"03013 --6=12
                                                                                                                                -3015        -1      603039             603040
                                                                                                                                  03014
                                                                                                                              N03054              60305                603062
                                                                                                                     603056
                                                                                                                           3066                         60303
                                                                                            6=27                                          1@ 603052
                                                                                                                        603018                            603063        03053
                                                                                                                         03017
                                                                                                                        603020
                                                                                                            k@_603021*                                           603079
                                                                             603059                     603057@603019                                       0'603064
                                                               6030sn                                         603022     c,
                                                                                                     603056'                                         0*603036
                                                                                           6  3024   @3023                                              603037
                                                                   60@,  1                           -60      048
                                                                        03026                                                                   603035
                                                                                                                                          /603051
                                                                                                  603 7                          416-03   ,034            G U L F                  0 F            M E X I C
                                   60300                        603008                              03075
                                  603016                                                          �0%3074                        603049
                                                                      603007
                                              60300b'%
                                               603004 _41,          30  6                                              603028
                                  60002                       603046
                                                 Z_-N 603003          60.3045                                                             603061
                                                        MOO -            603076

                                                                                      00303
                                                                                        60302
                                                                                                                                                                                                   SCALE INKILOMET
                                               G U L F          0 F                          603044
                                                                                                                                                                                                  10         0         10
                                                                                              60301

                                                                                                                                          603077
                                    290N                                                               603041     6030 42            03078
                                       90*W                                                       603032                             6o3O33
                                                                                                                          603043
                                       BRETON SOUND

                          Figure 9.              Locations of waterbird nesting colonies on map 603.                                                          Colonies active in 1983 (0),
                          sites (o), historic Least Tern colony sites (*) and historic colonies not surveyed in 1983 (N
                                                                                                                                                        3039

                                                                                                                                                        1
                                                                                                                                                          0
                                                                                                                                                        J03
                                                                                                                                                            38
                                                                                                                                                          603063

                                                                                                                                                                 603079

                            Table 2.   Explanation of codes appearing in Tables 3 and 4.

                     Column                   Code                       Explanation

                  COLONY NUMBER             000000       USFWS six-digit number

                  USGS QUAD NAME                         Name of 1:24,000 scale USGS topographic map

                  MAP                                    Identification number for Coastal
                                                         Environments, Inc. habitat map

                  LAT                         0000       Latitude to nearest minute. First two
                                                         digits are degrees, second two digits are
                                                         minutes

                  LONG                        0000       Longitude to nearest minute. First two
                                                         digits are degrees, second two digits are
                                                         minutes

                  SITE (GEOGRAPHIC SITE)
                                                1        Mainland
                                                2        Inland Island
                                                3        Coastal Island
                                                4        Barrier Island

                  HAB (HABITAT)                          Number designates habitat type    of
                                                         surrounding area
                                                1        Swamp
                                                2        Marsh
                                                3        Beach
                                                4        Spoil
                                                5        Other
                                                         edge of two habitat types (e.g., 1/2
                                                         swamp adjacent to marsh)

                  NEST (NESTING SUBSTRATE)
                                                1        Tree
                                                2        Shrub
                                                3        Herbaceous vegetation
                                                4        Bare ground (sand, shell, silt, etc.)
                                                5        Driftage on marsh
                                                6        Manmade
                                              1/2        Trees and understory shrubs
                                                         Separates different nesting substrates
                                                         used by different species (e.g., 4;5.
                                                         Species listed before semicolon nested on
                                                         bare ground, species listed after semicolon
                                                         nested on driftage)

                                                         (continued)

                                                             14

                                               Table 2. (Continued).

                    Column                 Code                      Explanation

                 SURVEY DATE                         Date of latest 1983 survey of the colony
                                                     site

                                           NS        Not surveyed (colony site previously
                                                     located but not surveyed in 1983)
                                           Rpt       Colony not visited by authors; information
                                                     reported by Mary Landin, U.S. Army Corps
                                                     of Engineers, Mobile, AL

                 SIZE CLASS                          Estimate of the total number of breeding
                                                     birds visible from the aircraft
                                            0        No nesting activity
                                            0*       No nesting observed, but Least Terns, which
                                                     previously nested there, could have been
                                                     missed during aerial search
                                            1        2 to 100 adult birds visible
                                            2        100 to 500
                                            3        500 to 1000
                                            4        1000 to 5000
                                            5        5000 to 10,000
                                            6        10,000 to 15,000
                                            7        Over 15,000

                 SPECIES COMPOSITION
                                           BP        Brown Pelican (Pelecanus occidentalis)
                                           OC        Olivaceous Cormorant (Phalacrocorax olivaceus)
                                           AN        Anhinga (Anhinga    h* a)
                                           GB        Great Blue Her6n Ardea herodias)
                                           GE        Great Egret (Casmerodius albus)
                                           SE        Snowy Egret (Egretta thula)
                                           LB        Little Blue Heron (Egretta caerulea)
                                           TH        Tricolored Heron (Egretta tricolor
                                           RE        Reddish Egret (E etta rufescens)
                                           CE        Cattle Egret (Bubulcus ibis
                                           GH        Green-backed Heron (Butorides striatus)
                                           BC        Black-crowned Night-Heron (Nycticorax
                                                     Rycticorax)
                                           YC        Yellow-crowned Night-Heron (Nycticorax
                                                     violaceus)
                                           WI            e This (Eudocimus albus)
                                           PI        White-faced This and/or Glossy This
                                                     (Plegadis spp.)
                                           RS        Roseate Spoonbill (Aiaia ajaia)

                                                    (continued)

                                                        15

                                               Table 2. (Concluded).

                     Column                 Code                      Explanation

                                            LG        Laughing Gull (Larus articilla)
                                            GT        Gull-billed Tern SteTna -nilotica
                                            CS        Caspian Tern (Sterna ca@kia)
                                            RT        Royal Tern (Sterna maxima)
                                            SN        Sandwich Tern (Sterna sandvicensis)
                                            FT        Forster's Tern (Lterna forsteri)
                                            LT        Least Tern (Sterna antillarum)
                                            BS        Black Skimmer (_@h@os niger)

                  HISTORY                             Size class of the colony in 1976, 1978,
                                                         and 1983
                                                      Colony not present in that year (not
                                                         reported)
                                            NS        Colony site not surveyed in that year

                      h

                                                     KV
                                                     N\

                                                                    NJ
                                                                                           ko

                                                              fA

                                                                                      Nk

                                                             X

                  Adult Great Egret. Photograph by H.R. Spendelow, Jr.

                                                         16

                         Table 3. Waterbird colonies of Louisiana, Mississippi, and Alabama (present and historic sites
                         arranged by colony number).

                         COLONY                                                                          SURVEY                                                  HISTORY
                         NUMBER   USGS QUAD NAME                14A P  LAI'   LONG   SITE HAB      NEST   DATE    SIZE        SPECIES COMPOSITION               76 78 83

                         588001   Cameron Farms                 176D   3001   9330      1    1        1  051283     0                                            4    1 0
                         588002   Black Lake                    177C   3002   9329      1    2        3  051283     0                                            3    0 0
                         588003   Black Lake                    177C   3003   9324      1    1        1  051283     0                                            2    0 0
                         588004   Ville Platte                         3044   9220      1    1        2    NS                                                    7    NS NS
                         588005   Welsh South                          3008   9252      1    2        2  051283     4    LB,SE,GE,WI,RS                          -    - 4
                         588006   West Lake                            3012   9316      2    4        2  061483     2    RS,CE,SE                                -    - 2
                         588007   West Lake                            3009   9318      1    1        1  061483     3    GB,GE                                   -    - 3
                         589001   Maringouin    NW                     3028   9143      1    1        1  061383     6    GE,AN,SE,LB,YC,CE                       4    5 6
                         589002   Maringouin                           3026   9138      1    1        2  050983     0                                            4    0 0
                         589003   Butte La Rose                        3023   9139      1    1        2  050983     0                                            4    5 0
                         589004   Cow Bayou                            3021   9137      1    1        2  050983     0                                            4    0 0
                         589005   Lake Mongoulois                      3014   9132      1    1        1  061383     2    GB,YC,AN                                2    2 2
                         589006   Catahoula                            3013   9139      1    1        2  050983     0                                            4    4 0
                         589007   Lake Mongoulois                      3009   9131      1    1        1  061383     3    GE,AN,GB                                6    4 3
                         589008   Pigeon                               3007   9118      1    1        1  061383     7    GE,GB,LB,TH,AN,YC,SE,CE                 7    4 7
                         @89009   Sorrento                      187B   3009   9045      1    1        1  050583     0                                            4    3 0
                         589010   Killian                       161D   3017   9037      1  1/2        1  061383     3    GE,GB,AN                                4    0 3
                         589011   Killian                       161D   3017   9035      1    1        1  050583     0                                            2    0 0
                         589012   Killian                       161D   3020   9032      1    1        1  061383     2    GE,GB,LB,CE,AN                          2    2 2
                         589013   Manchac                       160C   3021   9027      1    1        1  061383     2    GE,GB,AN                                3    7 2
                         589014   Manchac                       160C   3022   9026      1    1        1  050583     0                                            7    0 0
                         589015   Ponchatoula                   160A   3024   9024      1    1        1  061383     0                                            2    0 0
                         589016   Ponchatoula                   160A   3023   9024      1    1        1  061383     5    WI,GE,GB                                3    3 5
                         589017   Ruddock                       189A   3010   9030      1  1/2        1  061383     4    GE,GB,AN                                4    3 4
                         589018   Reserve                       188D   3006   9034      1    1        1  061383     3    GE,GB,AN                                4    2 3
                         589019   Lutcher                       168C   3006   9039      1    1        1  050583     0                                            3    3 0
                         589020   Lutcher                       188C   3002   9039      1    1        2  050583     0                                            5    2 0
                         589021   Spanish Fort                  190D   3003   9002      1    5        6  050583     0*                                           1    0* 0*
                         589022   Maringouin                           3023   9137      1    1     1/2   061383     4    GE,GB,AN,YC                             -    - 4
                         589023   Lake Mongoulois                      3013   9137      1    1        1  061383     2    GE,GB,AN                                -    - 2
                         589024   Lake Mongoulois                      3014   9136      1    1        2  061383     4    LB,SE,YC,AN,TH                          -    - 4
                         569025   Catahoula                            3011   9141      1    1        2  061383     5    LB,SE,CE,YC,AN,TH                       -    - 5
                         589026   Lone Star                            3004   9114      1    1        1  061383     3    GE,GB,AN,YC                             -    - 3
                         589027   Butte La Rose                        3020   0139      1    1        2  061383     4    LB,SE,YC,TH,AN,GH                       -    - 4
                         589028   Sorrento                      1878   3010   9047      1    1        1  061383     4    GE,GB,AN                                -    - 4
                         589029   Grosse Tete SW                  --   3020   9127      1    1        1  061383     4    GE,GB,AN,LB,YC                          -    - 4
                         589030   Grosse Tete SW                 --    3021   9127      1    1        2  061383     3    SE,LB,YC                                -    - 3
                         590001   Grand Island Pass             193A   3009   8928      3    2     5;4   060883     4    FT,LG;BS,GT                             5    4 4
                         590002   Malheureux Point              193C   3003   8922      3    6        4  060883     0*                                           1    0* 0*
                         590003   Pass Christian                M7C    3020   8912      1    3        4    NS                                                    1    NS NS
                         590004   Pass Christian                M7C    3020   8911      1    3        4    NS                                                    4    NS NS
                         590005   Pass Christian                M7C    3020   8910      1    3        4    NS                                                    4    NS NS
                         590006   Gulfport South                M7D    3022   8902      1    3        4    NS                                                    I    NS NS
                         590007   Gulfport South                M7D    3023   8900      1    3        4    NS                                                    4    NS NS
                         590008   Isle Au Pitre                 194A   3009   8912      3    2     4;3   060883     2    BS,LT;LG                                4    4 2
                         590009   Door Point                    194C   3002   8911      3    2     5 ; 4 060883     2    E'T;BS,GT,LT                            2    1 2
                         590010   Horn  Island West             M2A    3014   8839      4    3        4  060883     0.                                           1    0* 0*
                         590011   Horn Island East              M2B    3013   8831      3    4        4  060883     4    SN,RT,BS,LT                             4    1 4
                         590012   Petit Bois Island             MIA    3012   8824      4    3        4  060883     0*                                           1    0* 0*
                         590013   Fort Morgan NW                  --   3015   8809      4    3        4  060883     0*                                           3    NS 0*
                         590014   Petit Bois island             MIA    3015   8812      4    3        4  060883     0*                                           3    0* 0*
                                                                                        (continued)                                                                                                    C,

                                                                             Table 3.        Continued.

                        COLONY                                                                            SURVEY                                                   HISTORY
                        NUMBER    USGS QUAD NAME                MAP     LAI'   LONG  SITE HAB       NEST   DATE    SIZE         SPECIES COMPOSITION               76 78 83

                        590015    Petit Bois Island             MIA     3014   8819      4    3       4   060883     0                                             3  1   0
                        590016    Petit Bois Island             MIA     3014   8820      4    3       4   060883     0*                                            2  0*  0*
                        590017    Heron Bay                       --    3019   8812      3    2       2   060883     3    GE,TH,LB,CE,GB,SE                        5  2   3
                        590018    Isle Au Pitre                 194A    3014   8909      4    3       4   060883     0*                                            1  0*  0*
                        590019    Cat Island                    194B    3014   8904      4    3       4   060883     0                                             1  0   0
                        590020    Heron Bay                             3018   8808      3    4       4   060883     0                                             2  0   0
                        590021    Heron Bay                             3017   8808      3    4       2   060883     0                                             2  2   0
                        590022    Pascagoula SE                 M5D     3022   8834      1    4       4   060883     3    BS,GT,LT                                 1  0   3
                        590023    Dog Keys Pass                 M3B     3014   8845      4    3       4   060883     0                                             1  0   0
                        590024    Fort Morgan                     --    3012   8804      3    3       4   060883     0                                             -  2   0
                        590025    Grand Bay SW                  M4C     3021   8823      3    2       4     NS                                                     -  2   NS
                        590026    Pascagoula SE                 M5D     3020   8835      3    4       4   060883     0                                             -  2   0
                        590027    Grand Island Pass             193A    3008   8927      3    2     4;5   060883     3    BS,GT;FT                                 -  -   3
                        590028    Rigolets                      192A    3014   8940      1  1/2       1   050583     3    GB,GE,SE,TH,LB,WI,YC,AN,CE               -  -   3
                        590029    Malheureux   Point            193C    3005   8928      3    2     2-5   060883     6    GE,SE,TH,BC;LG;BS,GT;FT                  -  -   6
                        590030    Three Mile   Bay              193D    3003   8915      3    2     3;5   060883     2    BC,SE;FT,LG                              -  -   2
                        590031    Three Mile   Bay              193D    3001   8916      3    2     2;3   060883     4    SETH,GELG                                -  -   4
                        590032    Door Point                    194C    3001   8914      1    2       5   060883     2    FT                                       -  -   2
                        590033    Door Point                    194C    3001   8913      3    2       3   060883     2    LG                                       -  -   2
                        590034    Door Point                    194C    3004   8912      3    2     4;5   060883     2    BS,GT;FT                                 -  -   2
                        590035    Door Point                    194C    3004   8913      3    2       4   060883     2    BS,GT                                    -  -   2
                        590036    Ship Island                   M3A     3013   8856      4    3       4   060883     1    BS                                       -  -   1
                        590037    Pascagoula SE                 M5D     3018   8835      3    5       1   060883     2    GB                                       -  -   2
                        590038    Fort Morgan                           3013   6807      3    3       4   O6O8e3     2    BS,GT                                    -  -   2
                        590039    Hollingers island                     3030   8803      3    4    4;3;5 Rpt.        5    BP,RT,SN,CS,LT,GT,BS;LG;FT               -  -   5
                00
                        601001    West of Greens Bayou          216B    2958   9350      2    4       3   061483     0                                             7  6   0
                        601002    Holly Beach                   214C    2951   9323      2    2     2-5   061383     7    RS,GE,TH,SE,WI,PI,LB,BC;LG;BS;FT         7  5   7
                        601003    Boudreaux Lake                213B    2953   9305      1    4       2   061383     4    RS,GE,SE,TH,OC,CE,BC                     3  1   4
                        601004    Grand Cheniere                212C    2946   9256      1    4       2   061483     4    GE,OC,SE                                 4  4   4
                        601005    Grand Cheniere                212C    2946   9254      2    4       2   061483     3    RS,SE,TH,GE                              2  3   3
                        601006    Latania Lake                  212B    2956   9253      1    2       2   051283     0                                             4  2   0
                        601007    Latania Lake                  212B    2959   9252      1    2       2   061383     4    WI,PI,TH.LB,BC,YC,GB,AN,OC,GH            6  4   4
                        601008    Grand Lake East SE            211D    2953   9235      1    2       2   051283     0                                             7  5   0
                        601009    Cheniere Au Tigre NW          225A    2941   9212      2    4       4   061483     2    BS,LT,GT                                 4  1   2
                        601010    Cheniere Au Tigre SE          225D    2936   9202      3    2       2   061483     3    GE,SE                                    4  3   3
                        601011    South of Johnsons Bayou       220A    2944   9345      1    3       4   061483     0                                             4  0   0
                        601012    Cameron                       214D    2946   9321      1    3       4   061483     0*                                            1  0*  0*
                        601013    Cameron                       214D    2946   9314      1    3       4   061483     0*                                            1  0*  0*
                        601014    South of Bayou Labauve        221B    2944   9301      1    3       4   061483     0*                                            1  0*  0*
                        601015    Five Lakes                    215B    2959   9333      1    2       2   061483     3    OC,GE,GB,CE,AN                           -  -   3
                        601016    Bayou Labouve                 213D    2952   9306      1    4       2   061383     3    RS,TH,OC,GE                              -  -   3
                        601017    Latania Lake                  212B    2954   9253      1    2       2   061383     2    SE,LB,GH                                 -  -   2
                        601018    Latania Lake                  212B    3000   9251      1    2       2   061383     7    WI,PI,GE,GB,AN,RS,BC,TH,CE,LB,GH         -  -   7
                        601019    Constance Bayou NE            223B    2942   9236      1    4       2   061383     1    GE,OC,BC,GH                              -  -   1
                        601020    Pecan Island NE               224B    2941   9221      1    2       2   061383     5    RS,GE,SE,TH,CE,BC,OC,LB                  -  -   5
                        601021    Boudreaux Lake                213B    2954   9305      1    4       2   061383     2    TH,SE,CE,OC,RS                           -  -   2
                        601022    Bayou Labouve                 213D    2951   9306      1    4       2   061383     3    RS,OC,CE,SE,TH,BC                        -  -   3
                        601023    Bayou Labouve                 213D    2951   9306      2    2       5   061383     1    FT                                       -  -   1
                        601024    Latania Lake                  212B    2958   9252      1    2       2   061383     2    TH,YC,PI,GH                              -  -   2
                        601025    Forked Island SW              210C    2947   9223      1    2       2   061483     4    CE,LB,THtSE,GH                           -  -   4
                                                                                      (continued)

                                                                                                 Table 3.           Continued.

                             COLONY                                                                                              SURVEY                                                               HISTORY
                             NUMBER       USGS QUAD NAME                      MA P     LAT     LONG     SITE HAB         NEST     DATE     SIZE            SPECIES COMPOSITION                      76  78  83

                             6Q2001       Delcambre                           2(lf3A   2@54    9155        1      1       6+2    061383       3     GE,SE,LB,CE                                       4   4   3
                             602002       Delcambre                           208A     2953    9154        1      1       1/2    061383       2     GE,AN,LB,SE,CE                                    4   2   2
                             602003       Kemper                              207C     2949    9142        1      1         1    061483       2     GE,GB,AN,YC                                       4   3   2
                             602004       Charenton                           207B     2955    9136        1      1         1    050683       0                                                       3   2   0
                             602005       North Bend                          228A,    2942    9129        1      1         1    061483       4     GE,GB,AN,SE,LB,YC                                 6   4   4
                             602006       Mound Point                         249B     2926    9151        3      3         4    061483       0                                                       5   4   0
                             602007       Point Au Fer NE                     248B     2924    9122        3      4         4    061483       0                                                       2   0   0
                             602008       Point Au    Fer NE                  248B     2923    9122        3      4         4    061483       0                                                       4   3   0
                             602009       Lake Salve                          228D     2932    9117        2      4         1    061483       6     GE,LB,PliTH,YC,BC,CE,GB,AN                        5   4   6
                             602010       Morgan City SW                      229C     2934    9115        2      4         2    050683       0                                                       5   0   0
                             602011       Morgan City SW                      229C     2935    9115        2      4         2    050683       0                                                       4   0   0
                             602012       Morgan City SW                      229C     2936    9114        2      4         2    050683       0                                                       7   6   0
                             602013       oyster Bayou                        251A     2913    9110        1      3         4    061483       0*                                                      1   NS  0*
                             602014       Amelia                              229B     2942    9104        1      1         1    060283       4     GE,GB,AN                                          4   4   4
                             602015       Bayou Cocodrie                      230C     2937    9057        1      1         1    060283       0                                                       2   1   0
                             602016       Madewood                             - -     2957    9053        1      1         1    060283       4     GE,GB,AN                                          4   0   4
                             602017       Lagan                               204B     2956    9049        1      1         1    050983       0                                                       2   0   0
                             602018       Lagan                               204B     2954    9049        1      1         1    060283       5     GB,GE,LB,TH,SE,YC,CE                              5   4   5
                             602019       Lac Des Allemands                            2959    9036        1      2         2    050583       0                                                       4   4   0
                             602020       -Lac Des Allemands                           2959    9036        1    1/2         2    IDE60293     4     LB,SE,BC,TH,CE,Gh                                 4   4   4
                             602021       Kraemer                                      2948    9038        2      2         2    060283       3     LB,SE,TH                                          7   5   3
                             602022       Lac Des Allemands                            2957    9031        1    1/2         2    060283       4     LB,SE,TH,CE,BC,AN,P1,GH                           7   5   4
                             602023       Hahnville                           202A     2953    9027        1    1/2         2    060283       4     LB,SE,TH,AN,CE,GH                                 6   4   4
                             602024       Hahnville                           202A     2953    9023        1      1         1    060283       4     GE,GB,AN                                          7   5   4
                             602025       Lake Cataouatche West               202D     2953    9021        1      1         2    060283       0                                                       3   0   0
                             602026       Luling                              202B     2953    9018        1    1/2         1    060283       2     GB,GE,AN,SE,TH                                    3   0   2
                             602027       Gheens                               - -     2939    9023        1      2         2    060283       0                                                       3   4   0
                             602028       Bourg                               231D     2935    9033        1      2         2    060283       0                                                       5   0   0
                             602029       Humphreys                           230D     2931    9048        2      2         2    060283       4     WI,GE,LB,SE,TH,Pi                                 4   6   4
                             602030       Lake Penchant                       246A     2925    9055        1      1         2    050483       0                                                       2   NS  0
                             602031       Western Isles Dernieres             252C     2903    9056        4      3     2;3;4    060383       7     RS,GE,SE,TH,BC;LG;SN,RT,BS                        7   7   7
                             602032       Eastern Isles Dernieres             253C     2904    9043        3      2         2    060383       3     GE,SE,TH,GH                                       4   4   3
                             602033       Eastern Isles Dernieres             253C     2903    9043        4      3         4    060383       0*                                                      1   0*  0*
                             602034       Eastern Isles Dernieres             253C     2904    9040        4      3         4    060383       0*                                                      1   0*  0*
                             602035       Lake Tambour                        245D     2917    9030        3      2         5    050483       0                                                       2   2   0
                             602036       Jacko Bay                           254A     2912    9028        3      2         2    050483       0                                                       5   3   0
                             602037       Jacko Bay                           254A     2915    9025        3      2         5    060383       0                                                       1   0   0
                             602038       Pelican Pass                        254B     2913    9021        3      2       2;3    050483       0                                                       7   4   0
                             602039       Pelican Pass                        254B     2912    9019        3      2         2    050483       0                                                       4   4   0
                             602040       Pelican Pass                        254B     2909    9016        3      2         2    050483       0                                                       7   4   0
                             602041       Cat Island Pass                     253D     2904    9030        4      3         4    060383       0*                                                      1   0*  0*
                             602042       Timbalier/Calumet Island            254C     2904    9023        4      3         A    060383       4     BS,RT,SN,LG                                       6   6   4
                             602043       Belle Pass                          255C     2907    9010        1      3         4    060383       2     BS,LT                                             1   2   2
                             602044       Caminada Pass                       255B     2909    9007        4      3         4    060383       0*                                                      4   0*  0*
                             602045       Golden Meadow Farms                 243A     2923    9013        1      4         2    050483       0                                                       4   0   0
                             602046       Bay  Dosgris                        243B     2928    9004        3      2         5    050483       0                                                       4   2   0
                             602047       Bay  Tambour                        243D     2917    9005        3      2       5;2    060383       2     FT;TH,SE,GH                                       2   2   2
                             602048       Bay  Tambour                        243D     2916    9005        3      2         2    060383       3     GE,SE,TH,BC                                       1   0   3
                             602049       Bay  Tambour                        243D     2916    9004        3      2       2;5    060383       3     GE,SE,TH,LB;FT                                    1   3   3
                             602050       Bay Tambour                         243D     2915    9005        3      2       5;3    060383       2     FT;TH,GH                                          4   2   2
                             602051       Bay Tambour                         243D     2915    9003        3      2       2;5    060383       2     TH,SE,GE,P1,GH;FT                                 5   2   2
                             602052       Bay Tambour                         243D     2916    9002        3      2         2    060383       1     TH,SE                                             2   3   1
                                                                                                           (continued)

                                                                                     Table 3.        Continued.

                                                                                                                  SURVEY                                                      HISTORY
                           COLONY                                                                                                                                            76 78 83
                           NUMBER    USGS QUAD NAME                  MAP      LAT LONG      SITE HAB       NEST    DATE   SIZE           SPECIES COMPOSITION
                           602053    Timbalier Island                254C     2904   9024      4     3        4   060383      0*                                              1   0*  0*
                           602054    Point Au Fer                    248D     2916   9118      1     3        4   061483      1    BS                                         1   0*  1
                           602055    Central Isles Dernieres         252D     2902   9049      4     3        4   060383      0*                                              2   0*  0*
                           602056    Central Isles Dernieres         252D     2903   9047      4     3        4   060383      2    BS,SN,LT                                   -   1   2
                           602057    Eastern Isles Dernieres         253C     2904   9038      4     3        4   060383      0                                                   3   0
                           602058    Jacko Bay                       254A     2913   9028      3     2      5;2   060383      2    FT;SE,TH                                       4   2
                           602059    Jacko Bay                       254A     2912   9023      3     2            050483      0                                                   2   0
                           602060    Luling                          202B     2954   9025      1     1            050683      0                                                   4   0
                           602061    Three Bayou Bay                 233D     2931   9005      2     2        5   060383      2    FT                                                 2
                           602062    Bay Dosgris                     243B     2927   9005      3     2        5   060383      2    FT                                                 2
                           602063    Bay Tambour                     243D     2917   9004      3     2      5;2   060383      3    FT;TH,SE,GH                                        3
                           602064    Bay Tambour                     243D     2917   9004      3     2      5;2   060383      3    FT;TH,SE,GE,BC,W1,GH                               3
                           602065    Bay Tambour                     243D     2916   9004      3     2      5;2   060383      3    FT;TH,SE,LB,P1,GH                                  3
                           602066    Pelican Pass                    254B     2914   9019      3     2      5;2   060383      3    FT;SE,TH                                           3
                           602067    Lake Felicity                   244C     2916   9024      3     2        5   060383      2    FT                                                 2
                           602068    Lake Felicity                   244C     2916   9025      3     2        5   060383      2    FT                                                 2
                                     Lake Felicity                   244C     2915   9026      3     2        5   060383      2    FT                                                 2
                           602069                                                                                                                                                     2
                           602070    Lower Vacherie                   --      2956   9040      1   1/2        2   060283      2    SE,LB
                           602071    Jacko Bay                       254A     2912   9027      3     2        2   060383      4    SE,TH,BC,GE                                        4
                           602072    Lake Theriot                    246B     2929   9048      1     2        2   060283      6    WI,TH,SE,LB                                        6
                           602073    Kraemer                                  2947   9038      1     2        2   060283      2    CE,LB,SE,TH,GH                                     2
                           602074    Kraemer                                  2948   9039      1     2        2   060283      3    LB,TH,SE,W1,CE,P1,BC,GH                    -   -   3
                 CD        602075    Lower Vacherie                           2955   9042      1     1        1   060283      2    GE,GB,YC,AN                                -   -   2
                           602076    Lower Vacherie                           2957   9039      1   1/2        1   060283      3    GE,GB                                      -   -   3
                                                                              2951   9051      1     2        2   060283      4    TH,SE,LB                                   -   -   4
                           602077    Thibodaux                                                                                                                                -   -   1
                           602078    Grassy Lake                              2950   9104      1     1        1   060283      1    GE,GB,AN
                           602079    Grassy Lake                              2951   9107      1     1        1   '060283     4    GE,GB,AN                                   -   -   4
                           602080    Point   Au Fer NE               2488     2928   9119      3     2        2   061483      4    TH,SE,LB,W1,PI,BC,YC                       -   -   4
                           602081    Point   Au Fer NE               248B     2927   9118      3     2        2   061483      3    TH,PI,YC,SE                                -   -   3
                           602082    Point   Au Fer NE               248B     2926   9116      3     2        2   061483      7    PI,WI,LB,SE,TH,BC                          -   -   7
                           602083    Bayou   Cocodrie                230C     2936   9055      1   1/2        1   060283      3    GE,GB,AN                                   -   -   3
                           602084    Bayou   Cocodrie                230C     2935   9055      1     2        2   060283      4    WI,GE,PI,SE,CE,TH,Bc,LB,GH                 -   -   4
                           602085    Bourg                           231D     2936   9035      1     2        2   060283      4    WI,LB,SE,BC,P1,TH                          -   -   4
                           602086    Gheens                                   2939   9025      1     1        2   060283      2    LB,SE                                      -   -   2
                           602087    Hahnville                       202A     2955   9027      1   1/2        2   060283      2    LB,TH,SE,BC,YC,GH                          -   -   2
                           602088    Bayou Bouef                              2948   9037      2     2        2   060283      2    LB,CE,TH,PI,SE                             -   -   2
                           602089    Lockport                                 2944   9030      1     1        2   061483      3    LB,SE,CE                                   -       3
                           602090    Houma                           231C     2937   9043      1     4        2   061483      1    CE,LB,GH                                   -       1
                           602091    Dulac                           245A     2929   9038      1     1        1   060283      4    LB,SE,GE,GB,CE,PI                          -       4
                           602092    Lake Theriot                    246B     2922   9051      1     2        2   060283      2    GE,SE,TH                                   -       2
                           602093    Point Au Fer                    248D     2919   9121      1     3        4   061483      1    BS                                                 1
                           602094    Central Isles Dernieres         252D     2903   9052.     4     3        4   060383      4    BS,LG,SN                                           4
                           602095    Gheens                           --      2941   9024      1     2        3   060283      4    WI,LB,SE,BC                                        4
                           602096    Eastern Isles Dernieres         253C     2903   9042      4     3        4   060383      2    BS                                                 2
                           602097    Cat Island Pass                 253D     2905   9036      3     3        4   060383      2    BS                                                 2
                           602098    Cat Island Pass                 253D     2905   9034      3     3        4   060383      3    BS                                                 3
                           602099    Calumet Island                  254D     2905   9015      4     3        4   060383      2    BS                                                 2
                           602100    Caminada Pass                   255B     2912   9003      3     3        2   060383      2    SE,TH,GE,GH                                        2
                           602101    Lake Felicity                   244C     2916   9026      3     2        5   060383      2    FT                                                 2
                           602102    Gheens                                   2943   9030      1     1        1   061483      3    GE,GB,AN                                           3
                                                                                               (continued)

                                                                               Table 3.       Continued.

                         COLONY                                                                          SURVEY                                                 HISTORY
                         NUMBER    OSGS QUAD  NAME              MAP    LAT    LONG   SITE HAB     NEST    DATE   SIZE         SPECIES COMPOSITION              76  78 83

                         603001    Wilkinson  Bay               242A   2927   8957      3     2      5   060383    1    FT                                      2  2  1
                         603002    Barataria  Pass              242C   2918   8957      3     2    2;3   060383    3    BP,GE,SE,TH;LG                          7  6  3
                         603003    Barataria  Pass              242C   2917   8954      3     3      4   060383    0                                            4  4  0
                         603004    Barataria  Pass              242C   2922   8953      3     2    2;5   060383    0                                            7  0  0
                         603005    Barataria  Pass              242C   2923   8953      3     2      2   060383    0                                            4  0  0
                         603006    Wilkinson  Bay               242A   2924   8953      3     2   2;3;4  060383    2    TH,RE;FT,LG;BS                          3  0  2
                         603007    Bay Batiste                  2428   2925   8952      3     2   2,3,5  060383    4    SE,TH,RE,BC,FT,GH                       1  2  4
                         603008    Bay Batiste                  242B   2925   8951      3     2    5;2   060383    3    FT;SE,TH,GH,GE,BC                       5  1  3
                         603009    Oak Mound Bayou              198B   2955   8921      3     2    5;3   060883    3    FT;LG                                   I  NS 3
                         603010    Mitchell Key                 197A   2958   8912      3     2   3;5;4  060883    5    LG;FT;BS,CS,GT                          4  2  5
                         603011    Mitchell Key                 197A   2956   8912      3     2    3;6   060883    4    LG;SN,RT,BS                             4  3  4
                         603012    Oak Mound Bayou              198B   2955   8915      3     2    5;2   060883    5    LG;WI,GE,SE,TH,BC,RE                    4  4  5
                         603013    Mitchell Key                 197A   2955   8915      3     2    3;4   060883    2    LG;BS,CS                                3  2  2
                         603014    Mitchell Key                 197A   2954   8914      3     2    2-4   060883    0                                            4  3  0
                         603015    Mitchell Key                 197A   2954   8912      3     2    3;4   060883    4    LG;SN,RT,BS,GT                          2  3  4
                         603016    Wilkinson Bay                242A   2926   8954      3     2      5   050483    0                                            2  0  0
                         603017    Morgan Harbor                198D   2948   8921      3     2      5   060883    2    FT                                      1  2  2
                         603018    Morgan Harbor                198D   2948   8916      3     2      5   060883    1    FT,LG                                   2  1  1
                         603019    Point Chicot                 236B   2945   8922      3     2      5   060883    3    FT                                      3  2  3
                         603020    Morgan Harbor                198D   2946   8916      3     2      3   050483    0                                            3  4  0
                         603021    Point Chicot                 236B   2944   8916      3     2    3;4   060883    4    WI,TH,SE;LG,BS,RT                       4  4  4
                         603022    Lake Athanasio               236A   2941   8927      3     2    5;4   060883    1    FT;BS                                   4  NS 1
                         603023    Lake Athanasio               236A   2939   8928      3     2      5   060783    1    FT                                      5  2  1
                         603024    Black Bay  South             235D   2937   8934      3     2   2;4;5  060783    4    SE,TH,BC,W1,CE,PI;BS;FT,LG              7  4  4
                         603025    Black Bay  South             235D   2936   8934      3     2    2;5   050283    0                                            7  5  0
                         603026    Black Bay  South             235D   2934   8935      3     2      5   060783    2    FT                                      3  0  2
                         603027    Black Bay  North             235B   2941   8933      3     2    3;5   060783    3    TH,GE;LG                                4  3  3
                         603028    Main Pass                    239C   2915   8915      1     2      3   050283    0                                            7  4  0
                         603029    Pilottown                    258B   2913   8922      1     2      2   060783    2    SE,GE,LB,TH                             3  0  2
                         603030    Pilottown                    258B   2914   8921      1     2      2   050283    0                                            2  0  0
                         603031    Dixon Bay                    258D   2906   8917      1     4      4   060783    0*                                           1  0* 0*
                         603032    Burrwood Bayou West          261A   2858   8923      1     4      4   060783    0*                                           1  0* 0*
                         603033    South of South Pass          260A   2859   8909      1     4      4   060783    0*                                           2  0* 0*
                         603034    Breton Islands               239A   2929   8910      4     3      4   060783    4    BS,LT                                   3  2  4
                         603035    Grand Gosier islands         237D   2934   8903      4     3    3;4   060783    4    LG;BS                                   5  2  4
                         603036    Stake Islands                238A   2939   8857      4     3      4   060783    5    SN,RT,BS                                7  7  5
                         603037    Stake Islands                238A   2938   8858      4     3    3/4   060783    4    LG                                      5  0  4
                         603038    New Harbor Islands           196C   2951   8853      3     2      5   060883    3    LG                                      3  2  3
                         603039    New Harbor Islands           196C   2952   8854      3     2      3   060883    2    LG                                      2  3  2
                         603040    North Islands                196A   2953   8852      3     3    2;4   050283    3    GE;BP                                   4  4  3
                         603041    Dixon Bay                    258D   2901   8919      1     4      4   060783    2    BS,GT                                   4  0  2
                         603042    Dixon Bay                    258D   2903   8918      1     4      4   071383    0                                            4  4  0
                         603043    South of South Pass          260A   2858   8909      3     3      4   060783    3    FT                                      1  0  3
                         603044    Pass a Loutre West           259A   2908   8915      1     4      4   060783    0                                            2  0  0
                         603045    Bastian Bay                  241C   2917   8940      4     3      4   060783    0*                                           1  0* 0*
                         603046    Bastian Bay                  241C   2918   8944      4     3      4   060783    0*                                           1  0* 0*
                         603047    Barataria Pass               242C   2917   8954      4     3      4   060383    4    BS                                      1  0* 4
                         603048    Black Bay South              235D   2936   8934      3     3      4   050283    0                                            2  0  0
                         603049    Breton Islands               239A   2928   8912      4     3    2;4   060783    3    GE,SE,TH,BC,LB;BS                       4  2  3
                         603050    New Harbor Islands           196C   2951   8855      3     3      4   060883    2    BS,CS                                   4  0  2
                         603051    Grand Gosier Islands         237D   2932   8905      4     3      4   060783    2    BS,CS                                   2  4  2
                         603052    Freemason Island             197D   2948   8859      3     3            NS                                                   -  2  NS
                                                                                        (continued)

                                                                                Table 3.      Concluded.

                       COLONY                                                                         SURVEY                                                 HISTORY
                       NUMBER   USGS QUAD NAME               MAP     LAT    LONG  SITE HAB      NEST   DATE   SIZE         SPECIES COMPOSITION               76  78  83

                       603053   New Harbor Islands           196C    2946   8851     4     3       4  060883     0                                           -  1   0
                       603054   Mitchell Key                 197A    2953   8914     3     2          060883     0                                           -  2   0
                       603055   Mitchell Key                 197A    2959   8913     3     2     3;2  060883     4    LG;SE,GE,TH,BC                         -  -   4
                       603056   Morgan Harbor                198D    2950   8918     3     2    5;2;4 060883     5    LG;GE,SE,TH,BC,PI;BS                   -  -   5
                       603057   Lake Athanasio               236A    2944   8927     3     2     5;4  060883     3    FT;BS,GT                               -  -   3
                       603058   Lake Athanasio               236A    2941   8928     3     2     2;3  060783     3    GE,SE,LB,RE,BC,PI;LG                   -  -   3
                       603059   Black Bay North              235B    2938   8934     3     2    3;4;5 060783     2    SE,TH,LG;BS;FT                         -  -   2
                       603060   Black Bay North              235B    2938   8936     3     2    3;4;5 060783     4    SE,TH,BC,W1,CE,PI;LG;FT                -  -   4
                       603061   Main Pass                    239C    2917   8911     1     2       3  060783     4    PI,SE,GE,WI,LB,BC,TH                   -  -   4
                       603062   New Harbor Islands           196C    2951   8852     3     2       3  060883     5    LG                                     -  -   5
                       603063   New Harbor Islands           196C    2951   8853     3     2     3;2  060883     4    LG;RE                                  -  -   4
                       603064   Stake Islands                238A    2942   8856     4     3       4  060883     2    LG,BS,CS                               -  -   2
                       603065   Mitchell Key                 197A    2957   8912     3     2       3  060883     3    LG,TH                                  -  -   3
                       603066   Morgan Harbor                198D    2949   8919     3     2       5  060883     1    FT                                     -  -   1
                       603067   Black  Bay North             235B    2943   8934     3     2     3;5  060783     4    TH,SE,BC,GE;FT,LG                      -  -   4
                       603068   Black  Bay North             235B    2942   8934     3     2       5  060783     3    FT                                     -  -   3
                       603069   Black  Bay South             235D    2935   8934     3     2     2;4  060783     3    TH,SE,PI;BS,LG                         -  -   3
                       603070   Black  Bay South             235D    2935   8934     3     2       5  060783     2    FT                                     -  -   2
                       603071   Black  Bay South             235D    2935   8935     3     2       5  060783     1    FT                                     -  -   1
                       603072   Black  Bay South             235D    2934   8934     3     2       3  060783     2    SE,GE,BC                               -  -   2
                       603073   Black  Bay South             235D    2932   8934     3     2       5  060783     1    FT                                     -  -   1
                       603074   Black  Bay South             235D    2931   8935     3     2       5  060783     2    FT                                     -  -   2
                       603075   Black  Bay South             235D    2930   8932     3     2     5;4  060783     2    FT;BS                                  -  -   2
                       603076   Bastian Bay                  241C    2917   8939     3     3       4  060783     3    BS                                     -  -   3
                       603077   South Pass                   259C    2907   8913     2     2       3  060783     4    SE,GE,W1,PI,LB,TH,BC                   -  -   4
                       603078   South of South   Pass        260A    2900   8910     3     3       4  060783     1    BS,GT                                  -  -   1
                       603079   Stake  Islands               238A    2944   8853     4     3       4  060883     5    RT,SN,BS,CS,LG                         -  -   5

                            Table 4. 1983 waterbird colonies of Louisiana, Mississippi, and Alabama (arranged alphabetically
                            by USGS quad name).

                            COLONY                                                                                            SURVEY                                                               HISTORY
                            NUMBER      USGS QUAD NAME                      KA P     LAT     LONG    SITE HAB         NEST     DATE     SIZE            SPECIES COMPOSITION                      76 78 83

                            602014      Amelia                              229B     2942    9104        1      1         1   060283       4     GE,GB,AN                                          4   4   4
                            603002      Barataria Pass                      242C     2918    8957        3      2      2;3    060383       3     BP,GE,SE,TH;LG                                    7   6   3
                            603047      Barataria Pass                      242C     2917    8954        4      3         4   060383       4     BS                                                1   0*  4
                            603076      Bastian Bay                         241C     2917    8939        3      3         4   060783       3     BS                                                -   -   3
                            603007      Bay   Batiste                       242B     2925    8952        3      2     2,3,5   060383       4     SE,TH,RE,BC,FT,GH                                 1   2   4
                            603008      Bay   Batiste                       242B     2925    8951        3      2      5 ; 2  060383       3     FT;SE,TH,GH,GE,BC                                 5   1   3
                            602062      Bay   Dosgris                       243B     2927    9005        3      2         5   060383       2     FT                                                -   -   2
                            602047      Bay   Tambour                       243D     2.917   9005        3      2      5;2    060383       2     FT;TH,SE,GH                                       2   2   2
                            602048      Bay   Tambour                       243D     2916    9005        3      2         2   060383       3     GE,SE,TH,BC                                       1   0   3
                            602049      Bay   Tambour                       243D     2916    9004        3      2      2;5    060383       3     GE,SE,TH,LB;FT                                    1   3   3
                            602050      Bay   Tambour                       243D     2915    9005        3      2      5;3    060383       2     FT;TH,GH                                          4   2   2
                            602051      Bay   Tambour                       243D     2915    9003        3      2      2;5    060383       2     TH,SE,GE,P1,GH;FT                                 5   2   2
                            602052      Bay   Tambour                       243D     2916    9002        3      2         2   060383       1     TH,SE                                             2   3   1
                            602063      Bay   Tambour                       243D     2917    9004        3      2      5;2    060383       3     FT;TH,SE,GH                                       -   -   3
                            602064      Bay   Tambour                       243D     2917    9004        3      2      5;2    060383       3     FT;TH,SE,GE,BC,W1,GR                              -   -   3
                            602065      Bay   Tambour                       243D     2916    9004        3      2      5;2    060383       3     FT;TH,SE,LB,P1,GH                                 -   -   3
                            602088      Bayou   Bouef                         --     2948    9037        2      2         2   060283       2     LB,CE,TH,P1,SE                                    -   -   2
                            602083      Bayou   Cocodrie                    230C     2936    9055        1    1/2         1   060283       3     GE,GB,AN                                          -   -   3
                            602084      Bayou   Cocodrie                    230C     2935    9055        1      2         2   060283       4     WI,GE,PI,SE,CE,TH,BC,LB,GH                        -   -   4
                            601016      Bayou   Labouve                     213D     2952    93136       1      4         2   061383       3     RS,TH,OC,GE                                       -   -   3
                            601022      Bayou   Labouve                     213D     2951    9306        1      4         2   061383       3     RS,OC,CE,SE,TH,BC                                     -   3
                            601023      Bayou   Labouve                     213D     2951    9306        2      2         5   061383       1     FT                                                -   -   I
                            602043      Belle   Pass                        255C     2907    9010        1      3         4   060383       2     BS,LT                                             1   2   2
                            603027      Black   Bay   North                 235B     2941    8933        3      2      3;5    060783       3     TH,GE;LG                                          4   3   3
                            603059      Black   Bay   North                 235B     2938    8934        3      2     3;4;5   060783       2     SEoTH,LG;BS;FT                                    -   -   2
                            603060      Black   Bay   North                 235B     2938    8936        3      2     3;4;5   060783       4     SE,TH,BCoWI,CE,PI;LG;FT                           -   -   4
                            603067      Black   Bay   North                 235B     2943    8934        3      2      3;5    060783       4     TH,SE,BC,GE;FT,LG                                 -   -   4
                            603068      Black   Bay   North                 235B     2942    8934        3      2         5   060783       3     FT                                                -   -   3
                            603024      Black   Bay   South                 235D     2937    8934        3      2     2;4;5   060783       4     SE,TH,BC,WloCE,PI;BS;FT,LG                        7   4   4
                            603026      Black   Bay South                   235D     2934    8935        3      2         5   060783       2     FT                                                3   0   2
                            603069      Black   Bay South                   235D     2935    8934        3      2      2;4    060783       3     TH,SE,PI;BS,LG                                    -   -   3
                            603070      Black   Bay South                   235D     2935    8934        3      2         5   060783       2     FT                                                -   -   2
                            603071      Black   Bay.South                   235D     2935    8935        3      2         5   060783       1     FT                                                -   -   1
                            603072      Black   Bay   South                 235D     2934    8934        3      2         3   060783       2     SE,GE,BC                                          -   -   2
                            603073      Black   Bay   South                 235D     2932    8934        3      2         5   060783       1     FT                                                -   -   1
                            603074      Black   Bay   South                 235D     2931    8935        3      2         5   060783       2     FT                                                -   -   2
                            603075      Black   Bay South                   235D     2930    8932        3      2      5;4    060783       2     FT;BS                                             -   -   2
                            601003      Boudreaux Lake                      213B     2953    9305        1      4         2   061383       4     RS,GE,SE,I'H,OC,CE,BC                             3   1   4
                            601021      Boudreaux Lake                      213B     2954    9305        1      4         2   061193       2     TH,S--,CE,OC,RS                                   -   -   2
                            602085      Bourg                               231D     2936    9035        1      2         2   060283       4     WI,LB,SE,BC,P1,TH                                 -   -   4
                            603034      Breton Islands                      239A     2929    8910        4      3         4   060783       4     BS,LT                                             3   2   4
                            603049      Breton     Islands                  239A     2928    8912        4      3      2;4    060783       3     GE,SE,TH,BC,LB;BS                                 4   2   3
                            589027      Butte La Rose                         --     3020    9139        1      1         2   061383       4     LB,SE,YC,TH,AN,GH                                 -   -   4
                            602099      Calumet Island                      254D     2905    9015        4      3         4   060383       2     BS                                                -   -   2
                            602100      Caminada Pass                       255B     .2912   9003        3      3         2   060383       2     SE,TH,GE,GH                                       -   -   2
                            602097      Cat Island Pass                     253D     2905    9036        3      3         4   060383       2     BS                                                -   -   2
                            602098      Cat Island Pass                     253D     2905    9034        3      3         4   060383       3     BS                                                -   -   3
                            589025      Catahoula                             --     3011    9141        1      1         2   061383       5     LBoSE,CE,YC,AN,I'H                                -   -   5
                            602056      Central Isles Dernieres             252D     2903    9047        4      3         4   060383       2     BS,SN,LT                                          -   1   2
                            602094      Central Isles Dernieres             252D     2903    9052        4      3         4   060383       4     BS,LG,SN                                          -   -   4
                            601009      Cheniere Au Tigre NW                225A     2941    9212        2      4         4   061483       2     BS,LT,GT                                          4   1   2
                            601010      Cheniere Au Tigre SE                225D     2936    9202        3      2         2   061483       3     GE,SE                                             4   3   3
                                                                                                           (continued)

                                                                              Table 4. Continued.

                      COLONY                                                                           SURVEY                                                   HISTORY
                      NUMBER    USGS QUAD NAME               14A P   LAT    LONG   SITE HAB      NEST   DATE   SIZE          SPECIES COMPOSITION              76  78  83
                      601019    Constance Bayou NE           223B    2942   9236      1     4       2  061383     1    GE,OC,BC,GH                              -  -   1
                      602001    Delcambre                    208A    2954   9155      1     1     6+2  061383     3    GE,SE,LB,CE                              4  4   3
                      602002    Delcambre                    208A    2953   9154      1     1     1/2  061383     2    GE,AN,LB,SE,CE                           4  2   2
                      603041    Dixon Bay                    258D    2901   8919      1     4       4  060783     2    BS,GT                                    4  0   2
                      590009    Door Point                   194C    3002   8911      3     2     5;4  060883     2    FT;BS,GT,LT                              2  1   2
                      590032    Door Point                   194C    3001   8914      1     2       5  060883     2    FT                                       -  -   2
                      590033    Door Point                   194C    3001   8913      3     2       3  060883     2    LG                                       -  -   2
                      590034    Door Point                   194C    3004   8912      3     2     4;5  060883     2    BS,GT;FT                                 -  -   2
                      590035    Door Point                   194C    3004   8913      3     2       4  060883     2    BS,GT                                    -  -   2
                      602091    Dulac                        245A    2929   9038      1     1       1  060283     4    LB,SE,GE,GB,CE,PI                        -  -   4
                      602032    Eastern Isles Dernieres      253C    2904   9043      3     2       2  060383     3    GE,SE,TH,GH                              4  4   3
                      602096    Eastern Isles Dernieres      253C    2903   9042      4     3       4  060383     2    BS                                       -  -   2
                      601015    Five Lakes                   215B    2959   9333      1     2       2  061483     3    OC,GE,GB,CE,AN                           -  -   3
                      601025    Forked Island SW             210C    2947   9223      1     2       2  061483     4    CE,LB,TH,SE,GH                           -  -   4
                      590038    Fort Morgan                          3013   8807      3     3       4  060883     2    BS,GT                                    -  -   2
                      602086    Gheens                               2939   9025      1     1       2  060283     2    LB,SE                                    -  -   2
                      602095    Gheens                               2941   9024      1     2       3  060283     4    WI,LB,SE,BC                              -  -   4
                      602102    Gheens                               2943   9030      1     1       1  061483     3    GE,GB,AN                                 -  -   3
                      601004    Grand   Cheniere             212C    2946   9256      1     4       2  061483     4    GE,OC,SE                                 4  4   4
                      601005    Grand   Cheniere             212C    2946   9254      2     4       2  061483     3    RS,SE,TH,GE                              2  3   3
                      603035    Grand   Gosier Islands       237D    2934   8903      4     3     3;4  060783     4    LG;BS                                    5  2   4
                      603051    Grand   Gosier Islands       237D    2932   8905      4     3       4  060783     2    BS,CS                                    2  4   2
                      590001    Grand   Island Pass          193A    3009   8928      3     2     5;4  060883     4    FT,LG;BS,GT                              5  4   4
                      590027    Grand   Island Pass          193A    3008   8927      3     2     4;5  060883     3    BS,GT;FT                                 -  -   3
                      602078    Grassy Lake                          2950   9104      1     1       1  060283     1    GE,GB,AN                                 -  -   1
                      602079    Grassy Lake                          2951   9107      1     1       1  060283     4    GE,GB,AN                                 -  -   4
                      589029    Grosse  Tete  Sw                     3020   9127      1     1       1  061383     4    GE,GB,AN,LB,YC                           -  -   4
                      589030    Grosse  Tete  Sw                     3021   9127      1     1       2  061383     3    SE,LB,YC                                 -  -   3
                      602023    Hahnville                    202A    2953   9027      1   1/2       2  060283     4    LB,SE,TH,AN,CE,GH                        6  4   4
                      602024    Hahnville                    202A    2953   9023      1     1       1  060283     4    GE,GB,AN                                 7  5   4
                      602087    Hahnville                    202A    2955   9027      1   1/2       2  060283     2    LB,TH,SE,BC,YC,GH                        -  -   2
                      590017    Heron Bay                            3019   8812      3     2       2  060883     3    GE,TH,LB,CE,GB,SE                        5  2   3
                      590039    Hollingers Island                    3030   8803      3     4   4;3;5 Rpt.        5    BP,RT,SN,CS,LT,GT,BS;LG;FT               -  -   5
                      601002    Holly Beach                  214C    2951   9323      2     2     2-5  061383     7    RS,GE,TH,SE,W1,PI,LB,BC;LG;BS;FT         7  5   7
                      590011    Horn Island East             M2B     3013   8831      3     4       4  060883     4    SN,RT,BS,LT                              4  1   4
                      602090    Houma                        231C    2937   9043      1     4       2  061483     1    CE,LB,GH                                 -  -   1
                      602029    Humphreys                    230D    2931   9048      2     2       2  060283     4    WI,GE,LB,SE,TH,PI                        4  6   4
                      590008    Isle Au Pitre                194A    3009   8912      3     2     4;3  060883     2    BS,LT;LG                                 4  4   2
                      602058    Jacko Bay                    254A    2913   9028      3     2     5;2  060383     2    FT;SE,TH                                 -  4   2
                      602071    Jacko Bay                    254A    2912   9027      3     2       2  060383     4    SE,TH,BC,GE                              -  -   4
                      602003    Kemper                       207C    2949   9142      1     1       1  061483     2    GE,GB,AN,YC                              4  3   2
                      589010    Killian                      161D    3017   9037      1   1/2       1  061383     3    GE,GB,AN                                 4  0   3
                      589012    Killian                      161D    3020   9032      1     1       1  061383     2    GE,GB,LB,CE,AN                           2  2   2
                      602021    Kraemer                              2948   9038      2     2       2  060283     3    LB,SE,IH                                 7  5   3
                      602073    Kraemer                              2947   9038      1     2       2  060283     2    CE,LB,SE,TH,GH                           -  -   2
                      602074    Kraemer                              2948   9039      1     2       2  060283     3    LB,TH,SE,WI,CE,PI,BC,GH                  -  -   3
                      602020    Lac Des Allemands                    2958   9036      1   1/2       2  060283     4    LB,SE,BC,TH,CE,GH                        4  4   4
                      602022    Lac Des Allemands                    2957   9631      1   1/2       2  060283     4    LB,sE,-rH,CE,BC,AN,PI,GH                 7  5   4
                      602018    Lagan                        2048    2954   9049      1     1       1  060283     5    GB,GE,LB,TH,SE,YC,CE                     5  4   5
                      603022    Lake Athanasio               236A    2941   8927      3     2     5;4  060883     1    FT;BS                                    4  NS  1
                      603023    Lake Athanasio               236A    2939   8928      3     2       5  060783     1    FT                                       5  2   1
                      603057    Lake Athanasio               236A    2944   8927      3     2     5 ; 4060883     3    FT;BS,GT                                 -  -   3
                                                                                      (continued)

                                                                               Table 4. Continued.

                        COLONY                                                                            SURVEY                                                   HISTORY
                        NUMBER    USGS QUAD NAME                MAP     LAT    LONG  SITE HAB       NEST   DATE   SIZE          SPECIES COMPOSITION               76  78  83

                        603058    Lake Athanasio                236A    2941   8928     3     2     2;3   060783     3    GE,SE,LB,RE,BC,PI;LG                     -   -  3
                        60206,7   Lake Felicity                 244C    2916   9024     3     2       5   060383     2    FT                                       -   -  2
                        602068    Lake Felicity                 244C    2916   9025     3     2       5   060383     2    FT                                       -   -  2
                        602069    Lake Felicity                 244C    2915   9026     3     2       5   060383     2    FT                                       -   -  2
                        602101    Lake Felicity                 244C    2916   9026     3     2       5   060383     2    FT                                       -   -  2
                        589005    Lake Mongoulois                       3014   9132     1     1       1   061383     2    GB,YC,AN                                 2   2  2
                        589007    Lake Mongoulois                       3009   9131     1     1       1   061383     3    GE,AN,GB                                 6   4  3
                        589023    Lake Mongoulois                       3013   9137     1     1       1   061383     2    GE,GB,AN                                 -   -  2
                        589024    Lake Mongoulois                       3014   9136     1     1       2   061383     4    LB,SE,YC,AN,TH                           -   -  4
                        602009    Lake Salve                    228D    2932   9117     2     4       1   061483     6    GE,LB,PI,TH,YC,BC,CE,GB,AN               5   4  6
                        602072    Lake Theriot                  246B    2929   9048     1     2       2   060283     6    WI,TH,SE,LB                              -   -  6
                        602092    Lake Theriot                  246B    2922   9051     1     2       2   060283     2    GE,SE,TH                                 -   -  2
                        601007    Latania Lake                  212B    2959   9252     1     2       2   061383     4    WI,P1,TH,LB,BC,YC,GB,AN,OC,GH            6   4  4
                        601017    Latania Lake                  212B    2954   9253     1     2       2   061383     2    SE,LB,GH                                 -   -  2
                        601018    Latania Lake                  212B    3000   9251     1     2       2   061383     7    WI,PI,GE,GB,AN,RS,BC,TH,CE,LB,GH         -   -  7
                        601024    Latania Lake                  212B    2958   9252     1     2       2   061383     2    TH,YC,PI,GH                              -   -  2
                        602089    Lockport                              2944   9030     1     1       2   061483     3    LB,SE,CE                                 -   -  3
                        589026    Lone Star                             3004   9114     1     1       1   061383     3    GE,GB,AN,YC                              -   -  3
                        602070    Lower Vacherie                        2956   9040     1    1/2      2   060283     2    SE,LB                                    -   -  2
                        602075    Lower Vacherie                        2955   9042     1     1       1   060283     2    GE,GB,YC,AN                              -   -  2
                        602076    Lower Vacherie                        2957   9039     1    1/2      1   060283     3    GE,GB                                    -   -  3
                        602026    Luling                        202B    2953   9018     1    1/2      1   060283     2    GB,GE,AN,SE,TH                           3   0  2
                        602016    Madewood                        --    2957   9053     1     1       1   060283     4    GE,GB,AN                                 4   0  4
                        603061    Main Pass                     239C    2917   8911     1     2       3   060783     4    PI,SE,GE,WI,LB,BC,TH                     -   -  4
                        590029    Malheureux Point              193C    3005   8928     3     2     2-5   060883     6    GE,SE,TH,BC;LG;BS,GT;FT                  -   -  6
                        589013    Manchac                       160C    3021   9027     1     1       1   061383     2    GE,GB,AN                                 3   7  2
                                  Maringouin                            3023   9137     1     1     1/2   061383     4    GE,GB,AN,YC                              -   -  4
                        589001    Maringouin NW                         3028   9143     1     1       1   061383     6    GE,AN,SE,LB,YC,CE                        4   5  6
                        603010    Mitchell  Key                 197A    2958   8912     3     2    3;5;4  060883     5    LG;FT;BS,CS,GT                           4   2  5
                        603011    Mitchell  Key                 197A    2956   8912     3     2     3;6   060883     4    LG;SN,RT,BS                              4   3  4
                        603Ot3    Mitchell  Key                 197A    2955   8915     3     2     3;4   060883     2    LG;BS,CS                                 3   2  2
                        603015    Mitchell Key                  197A    2954   8912     3     2     3;4   060883     4    LG;SN,RT,BS,GT                           2   3  4
                        603055    Mitchell Key                  197A    2959   8913     3     2     3;2   060883     4    LG;SE,GE,TH,BC                           -   -  4
                        603065    Mitchell Key                  197A    2957   8912     3     2       3   060883     3    LG,TH                                    -   -  3
                        603017    Morgan Harbor                 198D    2948   8921     3     2       5   060883     2    FT                                       1   2  2
                        603018    Morgan Harbor                 198D    2948   8916     3     2       5   060883     1    FT,LG                                    2   1  1
                        603056    Morgan Harbor                 198D    2950   8918     3     2    5;2;4  060883     5    LG;GE,SE,TH,BC,PI;BS                     -   -  5
                        603066    Morgan Harbor                 198D    2949   8919     3     2       5   060683     1    FT                                       -   -  1
                        603038    New Harbor   Islands          196C    2951   8853     3     2       5   060883     3    LG                                       3   2  3
                        603039    New Harbor   Islands          196C    2952   8854     3     2       3   060883     2    LG                                       2   3  2
                        603050    New Harbor   Islands          196C    2951   8855     3     3       4   060883     2    BS,CS                                    4   0  2
                        603062    New Harbor islands            196C    2951   8852     3     2       3   060883     5    LG                                       -   -  5
                        603063    New Harbor Islands            196C    2951   8853     3     2     3;2   060883     4    LG;RE                                    -   -  4
                        602005    North Bend                    228A    2942   9129     1     1       1   061483,    4    GE,GB,AN,SE,LB,YC                        6   4  4
                        603040    North Islands                 196A    2953   8852     3     3     2;4   050283     3    GE;BP                                    4   4  3
                        603009    Oak Mound Bayou               198B    2955   8921     3     2     5;3   060883     3    FT;LG                                    1   NS 3
                        603012    Oak Mound Bayou               1988    2955   8915     3     2     5;2   060883     5    LG;WI,GE,SE,TH,BC,RE                     4   4  5
                        590022    Pascagoula SE                 M5D     3022   8834     1     4       4   060883     3    BS,GT,LT                                 1   0  3
                        590037    Pascagoula SE                 M5D     3018   8835     3     5       1   060883     2    GB                                       -   -  2
                        601020    Pecan Island NE               2248    2941   9221     1     2       2   061383     5    RS,GE,SE,TH,CE,BC,OC,LB                  -   -  5
                        602066    Pelican Pass                  254B    2914   9019     3     2     5;2   060383     3    FT;SE,TH                                 -   -  3
                        589008    Pigeon                          --    3007   9118     1     1       1   061383     7    GE,GB,LB,TH,AN,YC,SE,CE                  7   4  7
                                                                                        (continued)

                                                                                  Table 4. Concluded.

                         COLONY                                                                               SURVEY                                                      HISTORY
                         NUMBER     USGS QUAD NAME                 MAP     LAT    LONG   SITE HAB       NEST    DATE   SIZE          SPECIES COMPOSITION                 76 78 83
                         603029     Pilottown                      2588    2913   8922      1     2        2  060783      2    SE,GE,LB,TH                                3  0   2
                         602054     Point  Au Fer                  248D    2916   9118      1     3        4  0614,83     1    BS                                         1  0*  1
                         602093     Point  Au Fer                  248D    2919   9121      1     3        4  061483      1    BS                                         -  -   1
                         602080     Point  Au Fer  NE              248B    2928   9119      3     2        2  061483      4    TH,SE,LB,W1,PI,BC,YC                       -  -   4
                         602081     Point  Au Fer  NE              248B    2927   9118      3     2        2  061483      3    TH,PI,YC,SE                                -  -   3
                         602082     Point  Au Fer  NE              248B    2926   9116      3     2        2  061483      7    PI,W1,LB,SE,TH,BC                          -  -   7
                         603019     Point  Chicot                  236B    2945   8922      3     2        5  060883      3    FT                                         3  2   3
                         603021     Point  Chicot                  236B    2944   8916      3     2       3;4 060883      4    WI,I'H,SE;LG,BS,RT                         4  4   4
                         589016     Ponchatoula                    160A    3023   9024      1     1        1  061383      5    WI,GE,GB                                   3  3   5
                         589018     Reserve                        188D    3006   9034      1     1        1  061383      3    GE,GB,AN                                   4  2   3
                         590028     Rigolets                       192A    3014   8940      1   1/2        1  050583      3    GB,GE,SE,TH,LB,WI,YC,AN,CE                 -  -   3
                         589017     Ruddock                        189A    3010   9030      1   1/2        1  061383      4    GE,GB,AN                                   4  3   4
                         590036     Ship Island                    M3A     3013   8856      4     3        4  060883      1    BS                                         -  -   1
                         589028     Sorrento                       187B    3010   9047      1     1        1  061383      4    GE,GB,AN                                   -  -   4
                         603043     South  of South Pass           260A    2858   8909      3     3        4  060783      3    FT                                         1  0   3
                         603078     South  of South Pass           260A    2900   8910      3     3        4  060783      1    BS,GT                                      -  -   1
                         603077     South  Pass                    259C    2907   8913      2     2        3  060783      4    SE,GE,WI,PI,LB,TH,BC                       -  -   4
                         603036     Stake  Islands                 238A    2939   8857      4     3        4  060783      5    SN,RT,BS                                   7  7   5
                         603037     Stake  Islands                 238A    2938   8858      4     3       3/4 060783      4    LG                                         5  0   4
                         603064     Stake  Islands                 238A    2942   8856      4     3        4  060883      2    LG,BS,CS                                   -  -   2
                         603079     Stake  Islands                 238A    2944   8853      4     3        4  '060883     5    RT,SN,BS,CS,LG                             -  -   5
                         602077     Thibodaux                       --     2951   9051      1     2        2  060283      4    TH,SE,LB                                   -  -   4
                         602061     Three Bayou Bay                233D    2931   9005      2     2        5  060383      2    FT                                         -  -   2
               (3q       590030     Three Mile Bay                 193D    3003   8915      3     2       3;5 060883      2    BC,SE;FT,LG                                -  -   2
                         590031     Three  Mile Bay                193D    3001   8916      3     2      12;3 060883      4    SE,TH,GE;LG                                -  -   4
                         602042     Timbalier/Calumet Island       254C    2904   9023      4     3        4  060383      4    BS,RT,SN,LG                                6  6   4
                         588005     Welsh South                            3008   9252      1     2        2  051283      4    LB,SE,GE,W1,RS                             -  -   4
                         588006     West Lake                              3012   9316      2     4        2  061483      2    RS,CE,SE,                                  -  -   2
                         588007     West Lake                              3009   9318      1     1        1  061483      3    GB,GE                                      -  -   3
                         602031     Western Isles Dernieres        252C    2903   9056      4     3    2;3;4  060383      7    RS,GE,SE,TH,BC;LG;SN,RT,BS                 7  7   7
                         603001     Wilkinson Bay                  242A    2927   8957      3     2        5  060383      1    FT                                         2  2   1
                         603006     Wilkinson Bay                  242A    2924   8953      3     2    2;3;4  060383      2    TH,RE;FT,LG;BS                             3  0   2

                                                                                                 Amelia, LA

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                                                                        A
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                                                                                   n

                                                                                      -'JY
                                                              602014 IVM PA

                                                         go

                                                                     M
                                                                       54

                                                      Wirt
                                                                  -A

                                                                           RV
                                                                    WN go
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                                                                                        '4-U%
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                                                          SCALE  1:24,000
                                                               0               1 MILE
                                                      0 1000 2000   5000 6000 ?000 -EET
                                                          5- -0           KILOMETER

                                                              27

                           Baratada Pass, LA

                        90-00'                                                                                                                                           09-52'""
                                                                                                                                                                             n@2

                                                                                                                                                           b-

                                                                                                                                               603047
                                                            lw-6

                                                             IDI
                           E IN-

                                                                                                                                                                          80-52 30

                                                                                      0

                                                                                                2m

                                                                                                 28

                                                                                                                                 Bastian Bay, LA

                                                                                                                                                            31'30'
                       Dr45'                                                                                                                                 29-22 30
                   3v@=,

                                                       Cy                                                                                       EA-

                                                                                                                        12E

                                                                                                                                     zi
                                                                                                                                             I- A-

                                                                                                                                  If1f,

                                                                                A

                                                                                                                                                 Z

                                                                                                  1211,

                                                                                  (colony on new islands)

                                                                                                                                                            29
                                                                                                                                                         80-37'30'

                                                                                                      3

                                                                                  0
                                                                                   mw@@
                                                                                  0

                                                                                        29

                       Bay Batiste, LA

                                                                                              El.                E

                         603007

                                         603008

                                                                                                                                     -2-47
                                                                                                                                                  W-3-

                                                                                    30

                                                                                                                                                                                                                            Bay Dosgris, LA

                                  W-07 30                                                                                                                                                                                                                                       ".30,
                                   .1

                                                                                                                                               <

                                                                                                           . ....... ...    ........ ... ..

                                  so-ol W

                                                                                                                                           0
                                                                                                                                           0         20".

                                                                                                                                                       31

                         Bay Tambour, LA

                      WE? 30"                                                                                                                                       W.W.
                  2'r2                                                                                                                                                29-22 30

                                                                                  Ell-                    E..-

                                                                                                                          7@

                                                           Ell-

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                            Ell-                             E_        EIE_

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                                                                            El

                                            E.-                                         6020

                                                                                              602063

                                                E-1

                               E.-                                                                  602064

                                                                                                     602065
                                         Ell

                                                                                            602049
                            El-                      602050

                     2L'07 30'
                                                                                                                                                                    W-W

                                                                                                          2k.

                                                                                      0
                                                                                      0

                                                                                             32

                                                                                                                                                               Bayou Bouef, LA
                                                                                  fEA

                                                                                                              rM:     FUL

                                                                                                                       .-CAR

                                                                                                                                       PT Ai

                                        7@

                                                        m

                                                                                                                0                         1 MILE

                                                                                          ,0          00 2000 3000 @000 5000 6000 1000 PEE'
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                                                                                                              33

                                Bayou Cocodde,                          LA

                                                                                                                                                                                                         v

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                                                                                                                  34

                                                                                                                                                                 Bayou Labouve, LA

                             w                                                                                                                                                                              rw

                                          601 16

                                        Pill

                                                                             601023

                                                                         601022

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                                                                                                           0
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                                                                                                                     35

                            Belle Pass, LA

                         90-15                                                                                                                                                     90-U7 30
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                                                  ,4,

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                                                                                       S"
                                                                                                                                       602043

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                       WOOL
                                                                                                                                                                                   90-07,30"

                                                                                                      36

                                                                                                                                      Black Bay North, LA

                                                                                                                                                               E.

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                                                                                                   37

                             Black Bay South, LA

                     1-37

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                                                                                                        603070

                                                                                                   M3

                                                          603026

                              El-

                                                       El-

                                                                              TT

                                                                                                                                                                  603075

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                                                                                                              38

                                                                                                                                    Boudreaux Lake, LA

                                                                                                                                                                         ww
                                                                                                                                                                           ww

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                                                                                       Elm
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                            wr3r                                                                                                                                         ww

                                                                                                 39

                                    Bourg,             LA

                                                                                                                                                                                    3T

                                                                                                              8
                                                                                                              85
                                                                                                                 5

                                                                                                                             . ..... .... ....

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                                                                             N                                            .. ..... ....
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                                                                                                           W
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                                                                                                                                       Fen. IIi

                                                                                                                              I N

                                                                                     16

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                                                                                                           ,000   0   1000 2000 3000 4000 SOOO 6000 7000 PEET
                                                                                                                          5         0                  -1 KILOMETES

                                                                                                                                   40

                                                                                                                                                                              Breton Islands, LA

                                                                                                                                                                                                                             29-30

                                                                                                                 60304

                         29@2'W'                                                                                                                                                                                            29@2 30"
                                                                                                                                       71
                                                                                            @603049

                                                                                                                                                                                                                       DOMT 30

                                                                                                             0

                                                                                                                 0

                                                                                                                 0

                                                                                                                           41

                        Butte La Rose, LA

                                                                                                       4

                                                                                               &N-2
                                                                                              Aw

                                                                                                            V1,

                                                                                        0                    1 MILE

                                                                      1000 0  1000 2000 3000 4000 5000 6000 7000 FEET
                                                                           1     5      0 _I          KILOMETER

                                                                                       42

                                                                                                                                                    Calumet Island, LA

                    2M7.1                                                                                                                                                                     "'07-30"

                                                                                                                                                                      Z

                                            (also see Timbalier Island map)

                        w-22 3o                                                                                                                                                           swim,

                                                                                             o

                                                                                                          43

                                                   Caminada Pass, LA

                                                                                                                                                                                                                                                                                                                                ,5v

                                                                                                          EE

                                                                                                                                                                                                                                                                          (colony on new island)

                                                     E. -J
                                                                                                                                                                                                                                                            E7               r

                                                                                                                                                                                                               2=

                                                                                                                                                                                                                 44

                                                                                                                                                                        Cat Island Pass, LA

                                                                                                                                                                                                                       90. W,
                      21-07,

                                                                                                                                                                                                     E-12
                                                                                                            (colony on new island)

                        29-001                                                                                                                                                                                             29@'
                           W-37'3W*

                                                                                                               0
                                                                                                               0      2OW ft

                                                                                                                         45

                                 Catahoula,                 LA
                                             @ NO
                                  N
                                                       VKUNNP@'

                                                                                                            Ak

                                                                                                                                                  low

                                                                                                                    0                           1 MILE

                                                                                             1000   0   1000 2000 3000 4000 5000 6000 7000 FEET
                                                                                                   1       5  '     0      -         I KILOMETEPt

                                                                                                                   46

                                                                                                                                         Central Isles Dernieres, LA

                           6D'52*30"
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                                                                                                                                                                                                      20-OD'

                                                                                                              47

                             Cheniere Au Tigre NW, LA

                           92-15'                                                                                                                                                         92'07@30-
                       29@5'                                                                                                                                                                  29-45'

                                                           El-                                                                                                                          E
                                             E._

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                      29*37'30"
                           .21W                                                                                                                                                           92'07'W"

                                                                                                  0
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                                                                                                    0
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                                                                                                           48

                                                                                                                                                                 Cheniere Au Tigree SE, LA

                            29-3? 3W'                                                                                                                                                                                              Sava
                                                                                                                                                                                                                                      11-3710"

                               arm.
                                  $3-07'W"
                                                                                                                                                                                                                                  02-OD,

                                                                                                                                  49

                                Constance Bayou NE, LA

                                  Z

                                          VL    Y
                                                                                                 14

                                                                                                                                                                                    F4V

                                                                                                                         50

                                                                                                                                                                                 Delcambre,                  LA

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                                                                                                                                                                                  24

                                          liv�W". @o.     Ul
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                                                                                                                                                                                                               67

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                                                                                                                                                             6020      1

                                                                                            r

                                                                                                                             4

                                              it
                                                                                                                                                                 602002

                                                                                                                                                     I MILE

                                                                                                1000   0   1000  2000 3000  4000 5000 6000   7000 FEE r
                                                                                                      1        5        a                   KILOMETEP

                                                                                                                       51

                                    Dixon Bay, LA

                               89-22'30"                                                                                                                                                                                                      80-15'
                         22-0  .1.                                                                                                                                                                                                        -      29-07-30-
                                                                                                                                                                    .......... ..

                                                                                                                                                                                                                                     77

                                                                                                                                                                                  El.

                                                                                   1, E.-

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                                                                                                                  EIM
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                                                                                                                             0

                                                                                                                                       52

                                                                                           Door Point, LA

               WOT 30'                                                                                     89'07 30

                                           590035

                        E.-                          590034

                        590032

                          El-     El-

                                                        0
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                                                         0    I=

                                                              53

                              Dulac, LA

                                                                                                                                                                                  602091
                                                                                                                                                                                      x 7..@-
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                                                                                                      n.:6:4-izz, k:A-
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                                                                                                                                                                   z
                                                                                                                                                                                @6020

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                                                                                      1000   0  1000 2000 3000 4000 5000 6000 7000FCET
                                                                                                    5       0                1 KILOMETER

                                                                                                           54

                                                                                                                                      Eastern Isles Dernieres, LA

                                                                                                                                                                                                -37'30"
                       29-01 W                                                                                                U;                                                                  2"? 30"

                                                                        41
                               @ - I 0M--

                          20-00
                             W@S                                                                                                                                                             GO-31 W,

                                                                                                 0
                                                                                                                ........ ..

                                                                                                   0

                                                                                                            55

                  Five Lakes, LA

                                                                                                                   ww

                   7-

                                                           601015

                                                C@7

                                                                                                      1@3

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                 wirw
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                                                            0
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                                                                 56

                                                                                             Forked Island SW, LA

                                        7L           -- 7

                                                                     2=-

                                                                      57

                               Fort Morgan, AL

                                                      P.                                                                                                                    4

                                        N.
                                                                                E       I  C     A N

                                                           590038
                                                      i:4
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                                   OR

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                                                                                                                      ... ... .....

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                                                                                         1000    0  1000 2000 3000 4000 5000 6000 7000 FEET
                                                                                                 1     5       0                 1 KILOMETER

                                                                                                              5.8

                                                                                                                                                                            Gheens, LA

                                                                                                                                   e
                                                                                                                                                                                    0,
                                                  Vj@72.@        SU

                                                                    me%;\@J:n- AV,

                                           102
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                                                                                                                                   7

                                                                                                                           N.
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                                                                                                                                                .. .. ......
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                                                                                                                                                                         2

                                                                                                             0

                                                                                                                                                                                             P,

                                                                                                                                         ;. fl,
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                                                                                          000  0   1000  2000 3000 4000 5000 6000 7000 FEET
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                                                                                                              59

                                         Grand Cheniere, LA

                                                                                                                                                            W.-
                                                                                       I@F

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                                                                                                                                                    0           30M .

                                                                                                                                                                 60

                                                                                                                                                                                                          Grand Gosier Islands, LA

                                                                                                                                                                                                                                                                                                 3 71"..

                                                                                             603051
                                                                                                                                                                          603035

                                                                                                                                                             61

                              Grand Island Pass, MS

                            821W                                                                                                                                                               SO'22'30"
                         30-15                                                                                                                                                                     3VIS,

                                                  uw

                                                                                   E.-          El
                                               E.-                               El

                                E 11

                                E-

                                                                                        El

                                                       590001

                                                                                                                                                              I'm
                                                          E'-*                                       590027

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                                                                                                                                                                                                    WM7'30"
                            6"! 30.                                                                                                                                                             aO'22.1..

                                                                                                              62

                                                                                                                                                               Grassy Lake, LA

                                                                                                                                                     'M

                                                 @W

                                                       @:.v Al
                                                             A

                                              -_A,      @14
                                                        4,9                                                %

                                                                                    1                          0                         1MILE

                                                                                         1000  0   1000 2000 3000 4000 5000 6000 7000 FEET
                                                                                              1       5        0               1 KILOMETER

                                                                                                             63

                                Grosse Tete SW, LA

                                                                                                             Ilk

                                                                                                                                                     JP

                                                     k

                                                                                                                0                          1 MILE

                                                                                          1000  0   1000 2000 3000 @000 5000 6000 7000 FEET
                                                                                                       6        0                1 KILOMETER

                                                                                                               64

                                                                                                                                                                          Hahnville, LA

                                                                              IT:
                                                                23
                                                                                                                                                                             @J

                                                                                                                J.                          Aan
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                                                                                     2023
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                                                                                                  -Nz

                                                                                                                                                                                4f

                                                                                                                 0                          1 MILE

                                                                                           1000   0  1 DOO 2000 3000 .000 5000 6000 000 IECT
                                                                                                         5       0                1 KILOMETER

                                                                                                                 65

                                   Heron Bay, AL

                                                               i@:In.@
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                                                                                                                           66

                                                                                                                                                      Hollingers             Island, AL

                                     MU
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                                                                                                                67

                                 Holly Beach, LA

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                                                                                                                                                                                  Horn Island East, MS

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                                 Houma,LA
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                                                                                                                   70

                                                                                                                                                                                                Humphreys, LA

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                                                                                                                                    71

                          Isle Au Pitre, MS/LA

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                                                                                                       72

                                                                                                                                                                                                                                                               Jacko Bay, LA

                                                                                                                                                                                                                                                                                                                  29-15'

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                                                                                                                    602071                                                                                                                     13

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                                                                                                                                                                          73

                              P(temper, LA

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                                                                                                             74

                                                                                                                                                                                 Killian,        LA

                                                                                              ;77"

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                                                                         40

                                                                                                                  0                          1 MILE

                                                                                            1000  0   1000 2000 3000 4000 45000 6000 7000 FEET
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                                                                                                                 75

                                     Kraemer, LA
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                                                                                                                                   76

                                                                                                                                         La-u- Des Allemands, LA

                                                                                                                   32

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                                                                                                           77

                                Lagan, LA

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                                                                                        1000  0   1000 2000 3000 4000 5000 6000 7000 FEET
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                                                                                                            78

                                                                                        Lake Athanasio, LA

                                                       603057

                                                                 Dq-

                                                                 603022

                                  603023
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                                                                79

                         Lake Felicity, LA

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                                                                                               80

                                                                                                                                                                 Lake Mongoulois, LA

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                                                                                                                      81

                                Lake Salve, LA

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                                                                                                 -12

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                                                                                                             0
                                                                                                             0       2wo 11

                                                                                                                     82

                                                                                                                                             Lake Theriot, LA

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                                                                                                 83

                 Latania Lake, LA

                601018                                                                             '17

                    601024

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                                                        0
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                                                            84

                                                                                                                                                                             Lockport, LA

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                                                                                                                 85

                               Lone Star, LA

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                                                                                                             86

                                                                                                                                                                                              Lower Vacherie, LA

                                                     ---- - - - - - - - - - - - -
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                                                                                                                                          87

                           Luling, LA

                                                                                                                                                                                W-1 -1.4-

                                                                                                                                                  44

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                                                                                                602026

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                                                                                                          88

                                                                                                                                                                                        Madewood, LA

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                                                                                                                                 89

                 Main Pass, LA

                                                Cb

                                                                                                                       603061

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                                                                                                     90

                                                                                                                                                              Malheureux Point, LA

                                                                                                                                                                                                            "-22'30"
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                                                                                                                     91

                           Manchac, LA

                                                                                                                        ... ...... .

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                                                                                        1000   0   1000 2000 3000  4000 5000  6000 7000 FEET
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                                                                                                               92 .

                                                                                                                                                             Maringouin, LA

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                                                                                                                                                                         .-Ao:

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                                                                                                          93

                                Maringouin NW, LA
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                                                                                                                    'NiVS,

                                         589001

                                                                                                                                                                                               4

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                                                                                                               94

                                                                                                                                                                Mitchell Key, LA

                                                                                                                                                                                                 WOT30'
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                                                                          603010

                                                                                                         6030

                                                                                                    0
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                                                                                                            No.

                                                                                                             95

                              Morgan Harbor, LA

                           N-22'30"                                                                                                                                                    Wis

                                                                                                                                    603056

                                                                                 6 )03066

                                                                         603017
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                                                                                                          96

                                                                             New Harbor Islands, LA

                            603039

                         603050

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                                                            97

                           North Bend, LA

                               602005

                                                                                                                                                                                      T-4

                     "'37W.
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                                                                                                          98

                                                                                                                                                                                                                                                         North                  Islands, LA

                                                                                                                                                                                                                                    6@4

                                                                                                                                                                             99

                              Oak Mound Bayou, LA

                         69-22'30*'
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                                             47-

                                                                        603009

                                                                                                                              62@

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                                                                                             0

                                                                                                0
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                                                                                                                   ss4
                                                                                                0      MD.

                                                                                                         100

                                                                                                                                                                                                                                 Pascagoula SE, MS

                                     W-22 30'                                                                                                                                                                                                                                                   "'22 30
                                                                                                                                                                                                                                                                                -3
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                                          U-37 30"                                                                                                                                                                                                                                        08. W,

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                                                                                                                                              590037

                                                                                                                                                                  101

                 Pecan Island NE, LA

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                                                                  102

                                                                                                                                           Pelican Pass, LA

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                                                                                                103

                          Pigeon, LA

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                                                                                                      104

                                                                                                                                  Pilottown, LA

                         7-                                     PE"
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                             6030291

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                                                                                     105

                               Point Au Fer, LA

                           99-22-W

                                                                                                                                                                    El-

                                                 02093

                                                                                                                                                                                      Elm

                                                                                                                106

                                                                                                                                                                                  Point Au Fer NE, LA

                                1"'22'30"

                                                                                                                                                     12
                                                                                                                                                           602080

                                                                                                                                                                                                            -13

                                                                                                                                                                            602082

                                                                                           5S

                                                                                       61

                           "'22*30"                                                                                                                                                                                                         29-22'30"

                                                                                                                                                                                                                                        0143,

                                                                                                                      0

                                                                                                                          0
                                                                                                                          0

                                                                                                                                   107

                        Point Chicot, LA

                          L603019

                                                  Elm

                 29-37'3'0"
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                                                                                  0     2COM 11

                                                                                         108

                                                                                                                                                                                     Ponchatoula, LA

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                                                                                                                                                             EDEN
                                                                                                                                                                                     539016

                                                                                                                             0                             1 MILE

                                                                                                   '000   0   1000   2000 3000 4000 5000    6000  7000 FEET
                                                                                                                  5          0                   KILOMETER

                                                                                                                          109

                                Reserve, LA

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                                                                                                               110

                                                                                                                                                                  Rigolets,          LA

                          w4s,

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                                                                                                            ..... .....         .............     ............ .    ..........

                                                                                            590028

                                                                                    ............ ......

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                              Ruddock,               LA

                                                                                          a
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                                       589017

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                                                                                         1000  0   1000  2000 3000 4000 5000 6000 7000 FEET
                                                                                                      5        0                1 KILOMETER

                                                                                                              112

                                                                                                                                                                                             Ship Island, MS

                                  wool                                                                                                                                                                                            08-52'30"
                                                                                                                                                                                                                                        30*15,

                                                          Elm

                                                                                                                                             590036             El-

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                                                                                                                                                                                                                                   "-52'30"

                                                                                                                      0               1

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                                                                                                                                 113

                             Sorrento, LA

                                                                                                                               AL

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                                                                                                                                       ak

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                                                                                           1       5        0               1 KILOMETER

                                                                                                          114

                                                                                                                                                                       South of South Pass, LA

                                                                                                                                                                                                                                      09-07'30-
                              0-00'                                                                                                                                                                                                         29'M'

                          28-52'30"                                                                                                                                                                                                         28-52'30"

                                                                                                                                                                                                                                       89@?'30

                                                                                                                     0

                                                                                                                         0
                                                                                                                         0       2@ 11

                                                                                                                                   115

                         South Pass, LA

                                                                                                                                                                          29-07'30'

                                                             603077

                                                                                           -1.       'E.

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                                                                                               116

                                                                                                                                                               Stake Islands, LA

                            so-ow                                                                                                                                                                  oo-@"
                         "%5'                                                                                                                                               -                           29"'

                      29.37.=..                                                                                                                                                                       1 29'37'30"
                            WSW                                                                                                                                                                    "-WWII

                                                                                                                 .  --    - - Zk.
                                                                                           603036

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                                                                                                      0      2@11:

                                                                                                               117

      1

                               Thibodaux,                LA

                                                                        602077

                                                0g;

                                                                                                            0                         1 MILE
                                                                                      1000  0   1000 2000 3000 4000 5000 6000 7000 FEET
                                                                                           1       5        0                 KILOMETER

                                                                                                          118

                                                                                                                                   Three Bayou Bay, LA

                                                                                                                                                                         00-00,

                                                                                 ET-

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                          90-0730                                                                                                                                          w

                                                                                                  119

                                Three Mile Bay, LA

                            00-22'30'                                                                                                                                                                                         at-is
                       30.07                                                                                                                                                                                                      30-07 30"

                                                                                                                                                        IF

                                                                                                                                                                                    590030

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                              09-22'W"

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                                                                                                                                                              Timbalier/Calumet Island, LA

                                 90-30'
                          29.07,30"                                                                                                                                                                                                  00-22'"'
                                                                                                                                                                                                                                          29'07'30"

                                                                                                                                              E-1

                                                                                                                                                   E-1

                                                                                                                                                       (also see Calumet Island map)

                                                                                                                                                                                                                                    00-22'30-

                                                                                                                                  121

                             Welsh South,                  LA
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                                                                                                5       0              1 KILOMETER

                                                                                                      122

                                                                                                                                                                                                                   West Lake, LA

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                                                                                                                                                                                                    J

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                                                                                                                                             1123

                         Western Isles Dernieres, LA

                       M-001                                                                                                                                            W@2 30'
                 "V7*w"                                                                                                                                   - -         - @ 29VTW,

                                                                             11.1

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                                                                                                                                                                         90-5,'30"

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                                                                                        0

                                                                                               124

                                                                                                                                                                     Wilkinson Bay, LA

                               90-00                                                                                                                                                                        --5V30'
                                                                                                                                                                                                                29-W,

                                                      El-

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                                                                                                            0
                                                                                                            0      2@ I..

                                                                                                                    125

                                                           4-1

                           Adult Little Blue Heron. Photograph by J.A. Spendelow

                               Brown Pelican. Photograph by J.A. Spendelow.

                                                    126

                                                      LITERATURE CITED

                 Burger, J.     1982.   The role of reproductive success in colony-site selection
                   and abandonment in black skimmers (Rynchops niger). Auk 99:109-115.

                 Cowardin, L.M., V. Carter, F. Golet, and E. LaRoe.             1979.   Classification of
                   wetlands and deepwater habitats of the United States.                 U.S. Fish Wildl.
                   Serv. FWS/OBS-79/31. 103 pp.

                 Erwin, R.M.     1978.   Population and colony site dynamics in selected Massachu-
                   setts waterbirds. Proc. 1977 Conf. Colonial Waterbird Group 1:19-25.

                 Erwin, R.M., J. Galli, and J. Burger. 1981. Colony site dynamics and habitat
                   use in Atlantic coast seabirds. Auk 98:550-561.

                 Keller, C.     1981.   Waterbird breeding colonies in the LOOP study area:              1981
                   Colonies and changes in distribution from 1976 to 1981.              Unpublished manu-
                   script filed with Louisiana Offshore Oil Port, New Orleans, LA.

                 McNicholl, M.K. 1975. Larid site tenacity and group adherence in relation to
                   habitat.    Auk 92:98-104.

                 Ogden, J.C., H.W. Kale 11, and S.A. Nesbitt.            1979.   The influence of annual
                   variation in rainfall and water levels on nesting by Florida populations of
                   wading birds.      Florida Game and Fresh Water Fish Commission.            Tallahassee,
                   FL. 30 pp.

                 Portnoy, J.W.     1977.   Nesting colonies of seabirds and wading birds - coastal
                   Louisiana, Mississippi, and Alabama. U.S. Fish Wildl. Serv. FWS/OBS-77/07.
                   126 pp.

                 Portnoy, J.W. 1978. North Gulf of Mexico coastal waterbird colonies: changes
                   in breeding abundance and distribution from 1976 to 1978. Unpublished manu-
                   script filed with the National           Coastal Ecosystems Team, U.S. Fish and
                   Wildlife Service, Slidell, LA.

                 Spendelow, J.A. and S.R. Patton.         1984.   National atlas of coastal waterbird
                   colonies. U.S. Fish Wildl.*Serv. In prep.

                 Wicker, K.M., et al.        1980.    The Mississippi Deltaic Plain Region habitat
                   mapping study. 464 maps. U.S. Fish Wildl. Serv. FWS/OBS-79/07.

                                                               127

                                                                                                61
                                                                                                                                                                    5-/
                                                                                                  J-'

                                Hawaiian Islands

                                    Headquarters, DiNision of  Biological
                                       Services, Washington, DC
                                X   Eas ern Energy and Land Use Team                                                                                               r rmn - @lc
                                       L
                                       eetown, WV
                                       t                                                                                                                              lz@:>@ :
                                    National Coastal Ecosystems Team                                                                                                 Virgin Isla
                                       Slidell, LA
                                    Western Energy and Land Use Team
                                       Ft. Collins, CO

                                    Locations of Regional Offices

                                REGION I                                                       REGION 2                                            REGION 3
                                Regional Director                                              Regional Director                                   Regional Director
                                U.S. Fish and Wildlife Service                                 U.S. Fish and Wildlife Service                      U.S. Fish and Wildlife Service
                                Lloyd Five Hundred Building, Suite 1692                        P.O. Box 1306                                       Federal Building, Fort Snelling
                                500 N.E. Multnomah Street                                      Albuquerque, New Mexico 87103                       Twin Cities, Minnesota 55 111
                                Portland, Oregon 97232

                                REGION 4                                                       REGION 5                                            REGION 6
                                Regional Director                                              Regional Director                                   Regional Director
                                U.S, Fish and Wildlife Service                                 U.S. Fish and Wildlife Service                      U.S. Fish and Wildlife Service
                                Richard B. Russell Building                                    One Gateway Center                                  P.O. Box 25486
                                75 Spring Street, S.W.                                         Newton Corner, Massachusetts 02158                  Denver Federal Center
                                Atlanta, Georgia 30303                                                                                             Denver, Colorado 80225

                                                                                               REGION 7
                                                                                               Regional Director
                                                                                               U.S. Fish and Wildlife Service
                                                                                               10 11 E. Tudor Road
                                                                                               Anchorage, Alaska 99503

                                                                                    61

                                                                          L
                                                                            -T

                             Hawaiian Islands

                               Headquarters, Division of Biologic I
                                 Services, Washington, DC
                             x Eastern Energy and Land Use Team                                                                                 uerto  i-co an
                                 Leetown, WV
                               Nati nal Coastal Ecosystems Team                                                              - - - - - -        Virgin I nd
                                 Sloidell, LA
                               Western Energy and Land Use Team
                                 Ft. Collins, CO

                               Locations of Regional Offices

                             REGION I                                              REGION 2                                     REGION 3
                             Regional Director                                     Regional Director                            Regional Director
                             U.S. Fish and Wildlife Service                        U.S. Fish and Wildlife Service               U.S. Fish and Wildlife Service
                             Lloyd Five Hundred Building, Suite 1692               P.O. Box 1306                                Federal Building, Fort Snelling
                             500 N.E. Multnomah Street                             Albuquerque, New Mexico 87103                Twin Cities, Minnesota 5 5111
                             Portland, Oregon 97232

                             REGION 4                                              REGION 5                                     REGION 6
                             Regional Director                                     Regional Director                            Regional Director
                             U.S, Fish and Wildlife Service                        US. Fish and Wildlife Service                U.S. Fish and Wildlife Service
                             Richard B. Russell Building                           one Gateway Center                           P.O. Box 25486
                             75 Spring Street, S.W.                                Newton Corner, Massachusetts 02158           Denver Federal Center
                             Atlanta, Georgia 30303                                                                             Denver, Colorado 80225

                                                                                   REGION 7
                                                                                   Regional Director
                                                                                   U.S. Fish and Wildlife Service
                                                                                   10 11 E. Tudor Road
                                                                                   Anchorage, Alaska 99503