Author
Watson, William Downing, 1938-
2
Francis, John G., 1943-
1
Geological Survey (U.S.)
1
Geological Survey (U.S.),
1
Haycox, Stephen W.
1
Jacobs, Lynn
1
Keiter, Robert B., 1946-
1
Kemmis, Daniel, 1945-
1
Short, C. Brant 1955-
1
United States. Bureau of Land Management
1
United States. Bureau of Land Management. Denver Service Center. Branch of Cartography
1
United States. Bureau of Land Management. Grand Junction Resource Area
1
United States. Congress. House. Committee on Natural Resources. Subcommittee on Energy and Mineral Resources,
1
United States. Congress. Senate. Committee on Governmental Affairs
1