Author
Geological Survey (U.S.)
350
Geological Survey (U.S.),
129
National Water-Quality Assessment Program (U.S.)
55
United States. Environmental Protection Agency
25
United States. National Park Service
14
United States. Bureau of Land Management
13
United States. Bureau of Reclamation
12
Geological Survey (U.S.). Water Resources Division
8
United States. Army. Corps of Engineers
8
United States. Bureau of Indian Affairs
8
Washington (State). Department of Ecology
6
Ebbert, J. C.
5
Monroe County (N.Y.). Department of Health
5
Pope, Larry M.
5
Wisconsin. Department of Natural Resources
5
Brabets, Timothy P.
4
Butler, David L. 1946-
4
Christensen, Victoria G.
4
Colorado State University. Environmental Resources Center
4
Field, Stephen J. 1935-
4
Green, W. Reed
4
Hall, Dennis C.
4
Illinois. Environmental Protection Agency
4
Lee, K. E.
4
Pennsylvania. Department of Environmental Protection
4
Robertson, Dale M.
4
Rose, William J.
4
Ruhl, J. F.
4
SpringerLink (Online service)
4
St. Johns River Water Management District (Fla.)
4
U.S. Fish and Wildlife Service
4
United States. Department of Energy
4
United States. Forest Service
4
Adolphson, D. G. 1928-1990
3
Anderson, Chauncey W.
3
Austin (Tex.)
3
Bauch, Nancy J.
3
Chafin, Daniel T.
3
Charlotte (N.C.)
3
Colorado Water Resources Research Institute
3
Connecticut. Department of Environmental Protection
3
Drost, B. W.
3
Embrey, S. S.
3
Florida. Department of Transportation
3
Goldstein, Robert M.,
3
Kansas. Department of Health and Environment
3
Little Rock Municipal Water Works
3
Louisville and Jefferson County Metropolitan Sewer District
3
Massachusetts. Department of Environmental Protection. Office of Watershed Management
3
Mast, M. Alisa
3
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