Author
United States. Congress. Senate. Committee on Energy and Natural Resources
4
United States. Bureau of Land Management,
2
United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Mineral Resources Development and Production
2
Causey, J. Douglas
1
Geological Survey (U.S.)
1
United States. Bureau of Land Management
1
United States. Congress. House. Committee on Natural Resources. Subcommittee on Energy and Mineral Resources,
1
United States. Congress. House. Committee on Resources
1
United States. Congress. Senate. Committee on Energy and Natural Resources,
1