U.S. Army, Corps of Engineers
U.S. Atomic Energy Commission
U.S. Bureau of Land Management
U.S. Bureau of Mines
U.S. Bureau of Reclamation
U.S. Department of Agriculture
U.S. Department of Agriculture, Soil Conservation Service
U.S. Department of Commerce
U.S. Department of the Interior
U.S. Department of the Interior, Water and Power Resources Service
U.S. Environmental Protection Agency
U.S. Geological Survey
U.S. Geological Survey, Quality of Water Branch
U.S. Geological Survey, Water Resources Division
U.S. Missouri Basin Inter-Agency Committee
U.S. Office of Radiation Programs
U.S. Public Health Service
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U.S. Water and Power Resources Service
Udaipurwala, M.
Uddameri, V.
Udden, Johan A.
Udden, Jon A.
Udegbunam, E.O.
Udourioh, G.A.
Ueno, Katsumi
Ufnar, D.F.
Uhlman, Kristine
Uhrich, R.D.
Uhrlaub, Rudolph
Ulaby, F.T.
Ulaby, F.[T.]
Ullah, S.
Umbrell, C.
Underwood, D.
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Underwood, E.J.
Underwood, J.O.
Underwood, J.R.
Underwood, J.R., Jr.
Underwood, M.R.
Underwood, Roger
Underwood, S.J.
Union Carbide Corporation
Updegraff, D.M.
Upp, J.[E.]
Upshaw, L.P.
Urban, J.B.
Uren, L.C.
Utterback, D.D.
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