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Current mine safety disasters : issues and challenges : hearing before the Committee on Health, Educ

United States. Congress. Senate. Committee on Health, Education, Labor, and Pensions.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2009. 2009

Mine safety additional guidance and oversight of Mines' emergency response plans would improve the s

United States. Government Accountability Office.
[Washington, D.C.] : U.S. Govt. Accountability Office, [2008] 2008

Promises or progress : the MINER Act one year later : hearing before the Subcommittee on Employment

United States. Congress. Senate. Committee on Health, Education, Labor, and Pensions. Subcommittee on Employment and Workplace Safety.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2009. 2009

Two years after the MINER Act : how safe is mining today? : hearing before the Subcommittee on Emplo

United States. Congress. Senate. Committee on Health, Education, Labor, and Pensions. Subcommittee on Employment and Workplace Safety.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2010. 2010