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Institution
Format
Subject
Water Pollution
90
Water quality
49
Hydrogeological surveys
42
Pesticides Environmental aspects
26
Earth sciences Research
21
Groundwater Pollution
more ...
13
Water quality management
12
Geological surveys
11
Herbicides Environmental aspects
11
Nutrient pollution of water
10
Metals Environmental aspects
10
Stream measurements
9
Acid mine drainage
8
Contaminated sediments
8
Groundwater Quality
8
River sediments
7
Groundwater
7
Nitrates Environmental aspects
7
Organochlorine compounds Environmental aspects
7
Polychlorinated biphenyls Environmental aspects
7
Water Pesticide content
6
Natural resources
6
Phosphorus Environmental aspects
6
Trace elements in water
6
Volatile organic compounds Environmental aspects
5
Agricultural pollution
5
Arsenic Environmental aspects
5
Enterobacteriaceae
5
Organic compounds Environmental aspects
5
Rivers
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Author
312
Geological Survey (U.S.)
44
National Water-Quality Assessment Program (U.S.)
25
United States. Environmental Protection Agency. Office of Research and Development
16
United States. Environmental Protection Agency
16
United States. Environmental Protection Agency. Office of Research and Monitoring
6
Ortiz, Roderick F.
more ...
6
Pope, Larry M.
5
Kansas. Department of Health and Environment
5
Monroe County (N.Y.). Department of Health
4
Domagalski, Joseph L.
4
National Environmental Research Center (Cincinnati, Ohio)
4
Phillips, Patrick J.
4
Sherwood, Donald A.
4
U.S. Fish and Wildlife Service
4
United States. Bureau of Land Management
4
United States. Bureau of Mines
4
United States. Bureau of Reclamation
4
United States. Department of Energy
4
Wichita (Kan.)
4
Wisconsin. Department of Natural Resources
3
Berkas, Wayne R.
3
Bortleson, Gilbert Carl, 1940-
3
Embrey, S. S.
3
Francy, Donna S.
3
Hyer, Kenneth E.
3
Lico, Michael S.
3
Maluk, Terry L.
3
Massachusetts. Department of Environmental Protection
3
Mau, David P.
3
Milligan, Chad R.
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Language
Genre
Literary Form
Region
42
United States
21
Colorado
17
Wisconsin
14
New York (State)
13
California
12
Texas
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12
Washington (State)
11
Kansas
10
Pennsylvania
9
North Carolina
8
Florida
8
Montana
7
Missouri
7
Nevada
7
Ohio
7
Utah
6
Connecticut
6
Maryland
6
Massachusetts
6
Potomac River Watershed
6
South Carolina
6
Virginia
6
Wyoming
5
Arizona
5
Cheney Reservoir Watershed
5
Illinois
5
Iowa
5
Kentucky
5
Nebraska
5
South Dakota
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Call Number
Year of Publication