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Institution
Subject
Nutrient pollution of water
Water quality
17
Suspended sediments
11
Water Pollution
10
Pesticides Environmental aspects
9
Suspended sediments Environmental aspects
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8
Agriculture Environmental aspects
5
Water Nitrogen content
5
Water Phosphorus content
4
Freshwater algae
4
Hydrology
4
Streamflow
3
Agricultural pollution
3
Groundwater
3
Groundwater Pollution
3
Groundwater Quality
3
Nonpoint source pollution
3
Sediment transport Environmental aspects
3
Stream measurements
2
Algae
2
Aquatic insects
2
Bacterial pollution of water
2
Forest soils Fertilization Environmental aspects
2
Groundwater flow
2
Michigan, Lake, Watershed
2
Nitrates Environmental aspects
2
Plant nutrients Environmental aspects
2
Richland-Chambers Reservoir (Tex.) Environmental conditions
2
River sediments
2
Stream ecology
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Author
64
Geological Survey (U.S.)
55
Geological Survey (U.S.),
29
National Water-Quality Assessment Program (U.S.)
8
Pennsylvania. Department of Environmental Protection
8
United States. Environmental Protection Agency
4
Koerkle, Edward H.,
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4
Langland, Michael J.
4
Pennsylvania. Bureau of Land and Water Conservation
3
Ebbert, J. C.
3
Embrey, S. S.
3
Koerkle, Edward H.
3
Langland, Michael J.,
3
Munn, Mark D.
3
Preston, Stephen D., 1955-
3
Wise, Daniel R.,
3
Zimmerman, Marc James, 1947-
2
Cherry Valley (Ill.)
2
Connecticut. Department of Environmental Protection
2
Davis, Jerri V.,
2
Gustafson-Minnich, Linda C.
2
Gustafson-Minnich, Linda C.,
2
Hall, David W.
2
Hall, David W.,
2
Hamilton, Pixie A.
2
Houston-Galveston Area Council
2
Kansas. Department of Health and Environment
2
Kay, Robert T.
2
Kelley, Janet A.
2
Levesque, Victor A.
2
Levesque, Victor A.,
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Language
Literary Form
Region
14
Pennsylvania
9
United States
8
Conestoga River Watershed
7
Texas
6
Florida
5
Chesapeake Bay Watershed
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5
Illinois
5
Indiana
5
Oregon
5
Washington (State)
4
Iowa
4
Maryland
3
Kansas
3
New England
3
Ozark Mountains
3
Patuxent River Watershed
3
Tampa
3
Trinity River Watershed
2
Adams County
2
Apalachicola River Watershed
2
Cascade Range
2
Chattahoochee River Watershed
2
Colorado
2
Connecticut
2
Dickinson Bayou
2
Flint River Watershed
2
Galveston County
2
Georgia
2
Green Bay (Wis. and Mich.)
2
Hillsborough Bay
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Call Number
Year of Publication