Author
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Rifkind, Simon H. 1901-1995,
2
Robison, Jason, 1975-
1
Runge, Michael C.,
1
Runge, Michael Carl, 1967-
1
SWCA, Inc.,
1
Sabol, Thomas Andrew, 1958-
1
Schott, Nathan,
1
Scott, Annie
1
Scott, Dougray, 1965-
2
Seelke, Clare Ribando,
2
Semmons, Darius J.,
1
Shaw, Cathy,
1
Shedd, Daniel T.,
1
Silver, Danny,
1
Sirotkin, Phillip, 1923-2007,
1
Smillie, Gary M.,
1
Smith, Dwight La Vern, 1918-
1
Smithsonian Institution
3
Snow, Eleanour S.,
1
Springer, Abe,
1
Stanton, Robert Brewster, 1846-1922
1
Stauffer-Norris, Will
1
Stern, Charles V.,
1
Stratton, Owen S., 1910-1995,
1
Summitt, April R.,
1
Swan, Chris
1
Swendsen, George L.,
1
Teal, Louise, 1946-
1
Thompson, A. H. 1839-1906
1
Thompson, Kathryn S.,
1
Thompson, Kendall R.,
1
Tichenor, Jim,
1
Tucker, Dean,
1
Tusso, Robert B.,
1
Tveten, John
1
U.S. Fish and Wildlife Service
2
U.S. Fish and Wildlife Service,
1
United States
1
United States,
4
United States. Bureau of Indian Affairs
1
United States. Bureau of Land Management
1
United States. Bureau of Reclamation
13
United States. Bureau of Reclamation,
6
United States. Bureau of Reclamation. Lower Colorado Region
1
United States. Bureau of Reclamation. Upper Colorado Region
1
United States. Congress. House,
1
United States. Congress. House. Committee on Foreign Affairs. Subcommittee on Inter-American Affairs,
1
United States. Congress. House. Committee on Interior and Insular Affairs,
1
United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks and Public Lands,
1
United States. Congress. House. Committee on Natural Resources. Subcommittee on Water, Oceans, and Wildlife,
2
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