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Institution
Subject
Groundwater Quality
Water Nitrogen content
6
Groundwater Pollution
6
Nitrates Environmental aspects
5
Water Pesticide content
3
Water Phosphorus content
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2
Chlorides
2
Land use Environmental aspects
2
Pesticides Environmental aspects
2
Water quality
1
Agricultural chemicals Environmental aspects
1
Micronesia
1
Nutrient pollution of water
1
Saltwater encroachment
1
Water Analysis
1
Water Organic compound content
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Author
11
Geological Survey (U.S.)
9
Geological Survey (U.S.),
4
National Water-Quality Assessment Program (U.S.)
3
Columbia Basin Ground Water Management Area (Wash.)
2
Becker Soil and Water Conservation District (Minn.)
2
Becker, Carol J.
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2
Douglas County (Nev.)
2
Frans, Lonna M.
2
Frans, Lonna M.,
2
Maryland. Department of the Environment
2
Minnesota Pollution Control Agency
2
Pennsylvania. Bureau of Water Quality Management
2
Soil and Water Conservation District of Hubbard County (Minn.)
1
Andrews, William J., 1962-
1
Bonn, Bernadine
1
Clune, John W.,
1
Delaware Geological Survey,
1
Delaware. Department of Natural Resources and Environmental Control,
1
Denver, J. M.,
1
Eimers, Jo Leslie
1
Giovannitti, Rhonda M.
1
Giovannitti, Rhonda M.,
1
Haggard, Brian E.
1
Hamlin, Scott N.,
1
Hinkle, Stephen R.
1
Hippe, Daniel J.
1
Hippe, Daniel J.,
1
Kroening, Sharon E.,
1
Masoner, Jason R.
1
McFarland, E. Randolph
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Language
Literary Form
Region
4
Washington (State)
3
Minnesota
2
Columbia Basin Ground Water Management Area
2
Cumberland County
2
Douglas County
2
Maryland
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2
Nevada
2
Oklahoma
2
Patuxent River Watershed
2
Pennsylvania
2
Straight River Watershed (Becker County and Hubbard County)
2
United States
1
Adams County
1
Chuuk
1
Delaware
1
Franklin County
1
Grant County
1
Micronesia
1
Micronesia (Federated States)
1
Mississippi River Watershed
1
North Carolina
1
Oregon
1
Sussex County
1
Tennessee
1
Virginia
1
Willamette River Watershed
1
Wisconsin
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Year of Publication