That the Secretary of the Interior is authorized and directed to convey by quitclaim deed to the city of Tucson, Arizona, a municipal corporation, all right, title, 68 Stat. 27 and interest of the United States in and to that tract of land situate in the county of Pima, State of Arizona, described as that portion of the northwest quarter of the northwest quarter of section 24, township 14 south of range 13 east, Gila and Salt River base and meridian, Pima County, Arizona, more particularly described as follows:

Beginning at a point on the south line of the northwest quarter of the northwest quarter of said section 24, distant three hundred forty-five and nine-tenths feet westerly from the southeast corner of said northwest quarter of the northwest quarter; run thence westerly along said south line, a distance of one hundred forty-four and one-tenth feet to a point; run thence northerly and parallel with the east line of said northwest quarter of the northwest quarter, a distance of two hundred ninety and fourtenths feet to a point; run thence easterly and parallel with the south line of said northwest quarter of the northwest quarter, a distance of one hundred forty-three and fifty-five one-hundredths feet to a point; run thence southerly a distance of two hundred ninety and four-tenths feet, more or less, to the point of beginning; and to accept in exchange therefor a conveyance in fee simple to the United States by the city of Tucson, Arizona, a municipal corporation, of the following described real property situate in Pima County, Arizona:

The east one hundred and ninety feet of the south two hundred ninety and four-tenths feet of the northwest quarter of the north-west quarter of section 24, township 14 south of range 13 east, Gila and Salt River base and meridian, Pima County, Arizona.

That the Secretary of the Army is authorized to disclaim any and all right, title, lien, or

U.S. title, etc., to certain property, disclaimer.

A portion of West Canal Street and Burns Avenue Northwest, described as follows: Beginning at the southeast corner of lot 16, block 3, Ross addition; thence on the south line of said lot south eighty-nine degrees thirty-eight minutes thirty-two seconds west seven and forty one-hundredths feet to the true, place of beginning; thence south thirty-nine degrees thirty-one minutes west ninety feet to a point on the north line of the Lake Washington Canal; thence following the said north line to the most southerly corner of lot 8, block 1, Seattle tide lands; thence along the easterly and northeasterly lines of said lot 8 to an intersection with the southeasterly line of that portion of Burns Avenue Northwest as vacated by ordinance numbered 76354; thence following said southeasterly line northeasterly to an intersection with the northeasterly line of Burns Avenue Northwest ; thence following the northeasterly line of Burns Avenue Northwest and West Canal Street southeasterly to the true place of beginning; Also,

A portion of West Canal Street (formerly Ewing Street), together with a portion of West Bowdoin Place, formerly West Fortieth Street: Beginning at the southeast corner of block 6, Ross addition to the city of Seattle; thence south thirty-nine degrees six minutes no seconds west one hundred thirty and eighteen one-hundredths feet to a point on the northerly line of the Lake Washington Canal right-of-way; thence on the said northerly line, northwesterly four hundred forty-eight and seventy-eight one-hundredths feet; thence north thirty-nine degrees thirty-one minutes east sixty-nine and sixty-six one-hundredths feet to a point on the north line of said block 6, Ross addition; thence on said north line north eighty-nine degrees thirty-eight minutes thirty-two seconds east thirty-one and seventy-three one-hundredths feet to a point on the northerly line of West Canal Street ; thence on said line southeasterly three hundred seventy-five and twenty one-hundredths feet to a point on the south line of said block; thence on said line north eighty-nine degrees thirty-eight minutes thirty-two seconds east sixty-three and twelve one-hundredths feet to the place of beginning; Also,

A portion of West Canal Street (formerly Ewing Street), together with a portion of Sixth Avenue Northwest: Beginning at the north-west corner of block 8, Ross addition to the city of Seattle; thence on the west line thereof south no degrees twenty-one minutes twenty-eight seconds east twenty-six and two one-hundredths feet to a point on the northerly line of West Canal Street; thence on said line southeasterly three hundred forty and fifty-one one-hundredths feet to a point on the south line of said block 8; thence south thirty-eight degrees sixteen minutes no seconds west ninety feet to a point on the northerly line of the Lake Washington Canal right-of-way; thence on said line northwesterly three hundred fifty-eight feet, more or less, to a point that bears south thirty-eight degrees fifty-six minutes no seconds west from the. place of beginning; thence north thirty-eight degrees fifty-six minutes no seconds east to the place of beginning; Also,

A portion of West Canal Street (formerly Ewing Street): Beginning at the northwest corner of lot 4, block 9, Ross addition to the city of Seattle; thence on the north line of said block north eighty-nine degrees thirty-eight minutes thirty-two seconds east forty-five and twenty-two one-hundredths feet to a point on the northerly line of West Canal Street, as established by ordinance numbered 14267: thence on said line southeasterly two hundred seventy-eight and thirty-nine one-hundredths feet to a point on the east line of said block 9, which said point is south no degrees twenty-one minutes twenty-eight seconds east twenty-two and sixty-four one-hundredths feet from the northeast corner of lot 11 of said block; thence on the east line of said block and the same extended south no degrees twenty-one minutes twenty-eight seconds east one hundred and forty-eight feet, more or less, to a point on the northerly line of the Lake Washington Canal right-of-way; thence on said line northwesterly to a point that bears south thirty-eight degrees six minutes no seconds west from the place of beginning; thence north thirty-eight degrees six minutes no seconds east to the place of beginning.

That, in order to establish satisfactory boundaries for the Manassas National Battle-field Park, in the State of Virginia, and to contain within such boundaries the important historic lands relating to the two battles of Manassas, the boundaries of such battlefield park hereafter shall contain that area which is bounded, in general, as follows: The south boundary of the park shall be the southernmost limits of the present federally owned lands in the south portion of the park; the east and northeast boundaries shall be that portion of the Bull Run Creek which extends from the south boundary of the park north and west-ward to the north boundary of the park as hereinafter prescribed; the southwest boundary shall be that portion of Compton’s Lane from its nearest point adjacent to the south boundary and extending north-westerly to State secondary highway numbered 622; the west and northwest boundary shall be State secondary highway numbered 622, from the point where it connects with Compton’s Lane and extending northward until it reaches the Sudley Church property; the north boundary shall be the northernmost limits of the present Federal park holdings in the immediate vicinity of the Sudley Church property. The boundaries of the park also may include not more than two hundred and fifty acres of land adjacent to the aforesaid west and north boundaries of the park, which land shall become a part of the park upon acquisition thereof by the United States: Provided, That the total acreage which may be acquired for the park pursuant to this Act shall not exceed one thousand four hundred acres. Such land or interests therein may be procured by the Secretary of the Interior in such manner as he may consider to be in the public interest.

For exchange purposes, particularly in connection with State and other highway developments, the Secretary is authorized to accept, on behalf of the United States, any non-Federal land or interests therein situated within the park area herein prescribed, and in exchange therefor to convey park land or interests therein of approximately equal value.