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Names
- United States. Office of Surface Mining Reclamation and Enforcement17
- United States. Surface Mining Control and Reclamation Act of 19776
- United States. Congress. House. Committee on Interior and Insular Affairs5
- United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mining and Natural Resources4
- United States, National Park Service2
- Byrd, Robert C.1
- Udall, Morris K.1
- United States. Army. Corps of Engineers.1
- United States. Bureau of Mines1
- United States. Congress. House. Committee on Public Works and Transportation1
- United States. Department of the Interior1
- United States. General Accounting Office1
- United States. Water Quality Act of 19871
