Citations are generated automatically from bibliographic data as a convenience and may not be complete or accurate.
Office of Public Health and Science, Health and Human Services Department. "Pillar and Roof Span Design Guidelines for Underground Stone Mines". Government. Health and Human Services Department, January 1, 2011. https://www.govinfo.gov/app/details/GOVPUB-HE20-PURL-gpo175567
Office of Public Health and Science, Health and Human Services Department. (2011, January 1). Pillar and Roof Span Design Guidelines for Underground Stone Mines. [Government]. Health and Human Services Department. https://www.govinfo.gov/app/details/GOVPUB-HE20-PURL-gpo175567
Office of Public Health and Science, Health and Human Services Department. Pillar and Roof Span Design Guidelines for Underground Stone Mines. Health and Human Services Department, (1 Jan 2011), https://www.govinfo.gov/app/details/GOVPUB-HE20-PURL-gpo175567
Office of Public Health and Science, Health and Human Services Department, Pillar and Roof Span Design Guidelines for Underground Stone Mines, GovInfo, (January 1, 2011), https://www.govinfo.gov/app/details/GOVPUB-HE20-PURL-gpo175567