Author
Geological Survey (U.S.)
1,629
National Water-Quality Assessment Program (U.S.)
175
United States. Environmental Protection Agency
51
United States. Bureau of Reclamation
45
United States. Bureau of Land Management
29
United States. Congress. Senate. Committee on Environment and Public Works
26
United States. National Park Service
25
U.S. Fish and Wildlife Service
24
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment
24
United States. Army. Corps of Engineers
20
United States. Environmental Protection Agency. Office of Research and Development
20
Wells, J. V. B.
19
United States. Congress. House. Committee on Transportation and Infrastructure
16
United States. Bureau of Indian Affairs
14
United States. Department of Energy
14
Kansas. Department of Health and Environment
13
Pope, Larry M.
13
Washington (State). Department of Ecology
13
Wisconsin. Department of Natural Resources
13
Love, S. K. 1903-1995
12
New Jersey. Department of Environmental Protection
12
Butler, David L. 1946-
11
Missouri. Division of Environmental Quality
11
Pennsylvania. Department of Environmental Protection
11
Robertson, Dale M.
11
United States. Environmental Protection Agency. Office of Water
11
Geological Survey (U.S.). Water Resources Division
10
United States. Forest Service
10
Illinois. Environmental Protection Agency
9
Payne, G. A.
9
Tanner, Dwight Q.
9
Christensen, Victoria G.
8
Fishel, David K.
8
Francy, Donna S.
8
Oblinger, Carolyn J.
8
Paulsen, Carl G.
8
Spahr, Norman E.
8
United States. Department of Agriculture
8
United States. Environmental Protection Agency. Office of Research and Monitoring
8
Anderson, Chauncey W.
7
Andrews, William J., 1962-
7
Connecticut. Department of Environmental Protection
7
Ebbert, J. C.
7
Edelmann, Patrick
7
Embrey, S. S.
7
Koerkle, Edward H.
7
Lee, K. E.
7
Mast, M. Alisa
7
Minnesota. Department of Natural Resources
7
Monroe County (N.Y.). Department of Health
7
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