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To Amend the Federal Coal Mine Safety Act: Hearing before the General Subcommittee on Labor of the Committee on Education and Labor, House of Representatives, Eighty-Ninth Congress, First Session
- Format:
- Book
- Language:
- English
- Other Title:
- To Amend the Federal Coal Mine Safety Act
- Place of Publication:
- Washington: U.S. G.P.O.,
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