Author/Creator
- United States4
- United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Energy and Power4
- United States. Congress. Senate. Committee on Interior and Insular Affairs4
- United States. President's Commission on Coal4
- National Research Council (U.S.). Committee on Coal Research, Technology, and Resource Assessments to Inform Energy Policy3
- Roach, Craig3
- United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mines and Mining3
- United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Energy Production and Supply3
- United States. Congressional Budget Office3
- United States. General Accounting Office3
- Cohen, Barry N.2
- Gordon, Richard L., 1934-2
- National Academies Press (U.S.)2
- United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Energy and the Environment2
- United States. Congress. Senate. Committee on Public Works2
- United States. Department of the Interior2
- United States. Interagency Task Force on Coal2
- Schenck, George H. K.1
- United States. Bureau of Mines1
- United States. Department of Energy1