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Names
- United States. Department of Labor[remove]21
- United States. Black Lung Benefits Reform Act of 19775
- United States. Social Security Administration4
- Marshall, F. Ray2
- Black Lung Association1
- Reagan, Ronald1
- United Mine Workers of America1
- United States. Black Lung Benefits Act of 19721
- United States. Congress. House. Committee on Education and Labor1
- United States. Department of Health and Human Services1
- West Virginia Lung Association1
- West Virginia. State Department of Education1
