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Author/Creator
- United States. Bureau of Reclamation373
- Geological Survey (U.S.)270
- U.S. Fish and Wildlife Service32
- United States. Bureau of Indian Affairs13
- Washington (State). Department of Ecology10
- Owen-Joyce, Sandra J.9
- Vaccaro, J. J.9
- Wood, Tamara M.9
- Colorado River Water Conservation District (Colo.)8
- Confederated Tribes and Bands of the Yakama Nation, Washington8
- Emerson, Douglas G.7
- United States. Bureau of Land Management7
- Colorado River Basin Salinity Control Forum6
- Sullivan, Annett B. (Annett Brigitte), 1970-6
- United States6
- United States. National Park Service6
- Butler, David L. (David Louis), 1946-5
- Linard, Joshua I.5
- United States. Army. Corps of Engineers5
- Anning, David W.4