Author
Geological Survey (U.S.)
199
Geological Survey (U.S.),
126
National Water-Quality Assessment Program (U.S.)
93
United States. Environmental Protection Agency
15
Pennsylvania. Department of Environmental Protection
10
United States. National Park Service
8
Sprague, Lori A.
7
United States. Environmental Protection Agency. Health and Ecological Criteria Division
7
Zimmerman, Marc James, 1947-
7
Caskey, B. J.
6
Langland, Michael J.
6
Robertson, Dale M.
6
Susquehanna River Basin Commission
6
United States. Bureau of Reclamation
6
Frey, Jeffrey W.
5
Kansas. Department of Health and Environment
5
Maryland. Department of Natural Resources
5
Mueller, David K.
5
Battaglin, William A.
4
Connecticut. Department of Environmental Protection
4
Crain, Angela S.
4
Ebbert, J. C.
4
Embrey, S. S.
4
Juracek, Kyle E.
4
Koerkle, Edward H.
4
Koerkle, Edward H.,
4
Kratzer, Charles R.
4
Langland, Michael J.,
4
Levesque, Victor A.
4
Lietman, Patricia L.,
4
Munn, Mark D.
4
New York (State). Department of Environmental Conservation
4
Pennsylvania. Bureau of Land and Water Conservation
4
Preston, Stephen D., 1955-
4
SpringerLink (Online service)
4
United States. Department of Energy
4
Washington (State). Department of Ecology
4
Ator, Scott W.
3
Becker, Carol J.
3
Charleston Harbor Project (S.C.)
3
Coupe, Richard H. 1954-
3
Douglas County (Or.)
3
Dubrovsky, N. M.,
3
Graczyk, David J.
3
Gulf of Mexico Program (U.S.). Nutrient Enrichment Committee
3
Indiana. Division of Water Resources
3
Kentucky. Department of Agriculture
3
Mueller, David K.,
3
Munn, Mark D.,
3
Saad, David A.
3
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