Author
Geological Survey (U.S.)
49
Geological Survey (U.S.). Water Resources Division
5
Monroe County (N.Y.). Department of Health
5
Illinois. Environmental Protection Agency
4
Schmidt, A. R.
4
Sherwood, Donald A.
4
United States. Army. Corps of Engineers
4
Freeman, W. O.
3
New Jersey. Department of Environmental Protection
3
United States. Environmental Protection Agency
3
Fishel, David K.
2
Garrett, Ronald G.
2
Lambing, John H.
2
National Water-Quality Assessment Program (U.S.)
2
Sprague, Lori A.
2
Stamer, J. K.
2
Anderson, Peter W.
1
Artman, Joshua C.
1
Barks, C. Shane
1
Bragg, Heather M.
1
Brazil. Ministério da Marinha
1
Brigham, Mark E.
1
Bubeck, Robert C.
1
Buell, Gary R.
1
Burt, Ronald Allen
1
Burton, Richard S.
1
Butler, David L. 1946-
1
Chesapeake Bay Program (U.S.)
1
Colorado River Water Conservation District (Colo.)
1
Colorado Springs City Engineering
1
Colorado Springs Utilities
1
Colorado. Mined Land Reclamation Division
1
Connecticut. Department of Environmental Protection
1
Conrads, Paul A.
1
Crain, Angela S.
1
Crawford, Charles G.
1
Edelmann, Patrick
1
Emmett, William W.
1
Faust, Samuel D. 1929-1997
1
Feaster, Toby D.
1
Field, Stephen J. 1935-
1
Funkhouser, Jaysson E.
1
Gaggiani, Neville G.
1
Grams, Susan C.
1
Helinsky, B. M.
1
Hunchak-Kariouk, Kathryn
1
Indiana. Department of Environmental Management
1
Interstate Commission on the Potomac River Basin
1
James, R. W.
1
Johnston, William H.
1
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