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Names
- National Coal Association[remove]8
- United Mine Workers of America7
- United States. Bureau of Mines2
- Ford, Wendell H., 1924-20151
- Roe, Robert A., 1924-20141
- Taylor, Reese Hale, 1928-1
- Trumka, Richard L., 1949-1
- United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mining and Natural Resources1
- United States. Congress. House. Committee on Public Works. Subcommittee on Water Resources1
- United States. Department of Labor1
- United States. Interstate Commerce Commission1
- United States. Mine Safety and Health Administration1
