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The piņeros : reviewing the welfare of workers on federal lands : oversight hearing before the Subco

United States. Congress. House. Committee on Natural Resources. Subcommittee on National Parks, Forests, and Public Lands (2007- )
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2009. 2009

Workplace safety and health for immigrants and low wage workers : hearing before the Subcommittee on

United States. Congress. Senate. Committee on Health, Education, Labor, and Pensions. Subcommittee on Employment, Safety, and Training.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., [Congressional Sales Office], 2002. 2002