Legislative History of the Federal Coal Mine Health and Safety Act of 1969 (Public Law 91-173) as Amended Through 1974: Including Black Lung Amendments of 1972 : Prepared for the Subcommittee on Labor of the Committee on Labor and Public Welfare, United States Senate, Part 1 |
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_do_ amendment anthracite application approved authorized representative benefits bill Bituminous coal Board brattice Bureau of Mines circuit circuit breaker coal dust coal mine health Coal Mine Safety committee conductor Congress COOPER cost cutting machine daily production tons disability drill electric face equipment explosion Fatal fatal Federal Coal feet gassy mines ground ground conductors hazards health and safety ignitions inspection inspector issued JAVITS Jersey June 30 Kentucky last open crosscut legislation loading machine mandatory health ment methane milligrams miners nongassy mines North Dakota operative date Panel Pennsylvania percent permissible condition permit persons pneumoconiosis point of order PRESIDING OFFICER PROUTY pursuant record Safety Act safety standards Secretary section requires Senator from Kentucky shaft shuttle cars silicosis subsection Surgeon tests tion Total trailing cables trolley underground coal Underground employment United United States Code ventilation violation volume per centum West Virginia wires