Author
United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Mineral Resources Development and Production
2
Watson, William Downing, 1938-
2
Geological Survey (U.S.)
1
Geological Survey (U.S.),
1
Montana. Land Administration Division
1
United States. Bureau of Land Management. Miles City District
1
United States. Bureau of Land Management. Montana State Office
1
United States. Congress. House. Committee on Natural Resources. Subcommittee on Energy and Mineral Resources,
1
United States. Congress. Senate. Committee on Energy and Natural Resources
1