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Subject: Water Nitrogen content
Institution
Collection
Subject
Water Nitrogen content
33
Water Phosphorus content
24
Water quality
21
Groundwater Quality
21
Nitrates Environmental aspects
20
Groundwater Pollution
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20
Nutrient pollution of water
10
Groundwater
9
Water Pollution
6
Groundwater flow
6
Water Pesticide content
5
Water quality management
4
Eutrophication
4
Nonpoint source pollution
4
Pesticides Environmental aspects
4
Suspended sediments
3
Aquifers
3
Nitrates
3
Nitrates Physiological effect
3
Nitrogen
3
Water Analysis
3
Water quality Measurement
2
Ammonia Environmental aspects
2
Bacterial pollution of water
2
Chlorides
2
Dams Environmental aspects
2
Drinking water Contamination
2
Gas bubble disease in fish
2
Groundwater Pollution Statistical methods
2
Hydrogeology
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Author
61
Geological Survey (U.S.)
45
Geological Survey (U.S.),
15
National Water-Quality Assessment Program (U.S.)
4
Mullaney, John R.,
3
Battaglin, William A.
3
Colorado. Department of Public Health and Environment. Water Quality Control Division
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3
Columbia Basin Ground Water Management Area (Wash.)
3
Connecticut. Department of Environmental Protection
3
Coupe, Richard H. 1954-
3
New York (State). Department of Environmental Conservation
3
Self, J. R.
3
United States. National Park Service
3
Waskom, R. M.
2
Bar Harbor (Me. : Town)
2
Becker Soil and Water Conservation District (Minn.)
2
Becker, Carol J.
2
Bergeron, Marcel P.,
2
Clune, John W.,
2
Colorado State University. Cooperative Extension Service
2
Connecticut. Department of Energy and Environmental Protection
2
Douglas County (Nev.)
2
Frans, Lonna M.
2
Frans, Lonna M.,
2
Geological Survey (U.S.). Water Resources Division
2
Greene, Earl A.
2
Gulf of Mexico Program (U.S.)
2
Gulf of Mexico Program (U.S.). Nutrient Enrichment Committee
2
Haggard, Brian E.
2
Idaho. Department of Environmental Quality
2
Johnson, Henry M.,
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Language
Genre
Literary Form
Region
12
United States
8
Colorado
6
Washington (State)
5
Nevada
4
Connecticut
4
Mississippi River Watershed
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4
New Jersey
4
New York (State)
3
California
3
Chesapeake Bay Watershed
3
Long Island Sound (N.Y. and Conn.)
3
Maine
3
Maryland
3
Mexico, Gulf of
3
Minnesota
3
Nebraska
3
Oklahoma
3
Olean
3
Pennsylvania
2
Chesapeake Bay (Md. and Va.)
2
Chuuk
2
Cidra Lake
2
Columbia Basin Ground Water Management Area
2
Cumberland County
2
Douglas County
2
Idaho
2
Kansas
2
Lower Columbia River (Or. and Wash.)
2
Micronesia
2
Micronesia (Federated States)
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Call Number
Year of Publication