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Names
- United States. Bureau of Mines. Metallurgical Division4
- United States. Congress. House. Committee on Interior and Insular Affairs1
- United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mines and Mining1
- United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mining and Natural Resources7
- United States. Congress. Senate. Special Committee Investigating the National Defense Program12
- United States. Department of Labor1
- United States. Department of the Interior1
- United States. Mine Safety and Health Administration2
- United States. Office of Surface Mining Reclamation and Enforcement1
- United States. Surface Mining Control and Reclamation Act of 19771
- Wallgren, Monrad C. (Monrad Charles), 1891-19612
- West Virginia Coal Association1
