Federal Metal and Nonmetallic Mine Safety Act

Hearings Before the Select Subcommittee on Labor of the Committee on Education and Labor House of Representatives Eighty-ninth Congress, First Session on H.R. 6961 and Similar Bills a Bill to Promote Health and Safety in Metal and Nonmetallic Mineral Industries, and for Other Purposes Hearings Held in Washington, D.C., May 3, 4, 5, 6, and 7, 1965

by United States. Congress. House. Committee on Education and Labor. Select Subcommittee on Labor