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Author: Geological Survey (U.S.),
Institution
Format
Subject
218
Water quality
143
Groundwater
142
Aquifers
137
Hydrogeology
136
Streamflow
126
Water-supply
more ...
123
Stream measurements
112
Groundwater flow
111
Groundwater Quality
89
Floods
88
Water Pollution
70
Hydrology
64
Water levels
47
Groundwater Pollution
45
Groundwater flow Computer simulation
42
Groundwater recharge
41
Water quality Measurement
39
Water quality management
38
Watersheds
36
Nutrient pollution of water
32
Groundwater flow Mathematical models
32
Suspended sediments
27
Flood forecasting
27
Sediment transport
26
Water table
26
Water use
24
Geology
24
Hydrologic models
22
Runoff
20
Wells
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Author
Geological Survey (U.S.),
58
National Water-Quality Assessment Program (U.S.)
55
United States. Bureau of Reclamation
48
United States. National Park Service
44
United States. Army. Corps of Engineers
30
U.S. Fish and Wildlife Service
more ...
30
United States. Bureau of Land Management
29
United States. Environmental Protection Agency
23
New York (State). Department of Environmental Conservation
23
United States. Federal Emergency Management Agency
20
Groundwater Resources Program (U.S.)
19
United States. Department of Energy
18
Arkansas Natural Resources Commission
14
Washington (State). Department of Ecology
13
Huizinga, Richard J.,
13
United States. Army. Corps of Engineers,
13
Water Availability and Use Science Program (U.S.)
12
Missouri. Department of Transportation
11
California. State Water Resources Control Board
11
Galloway, Joel M.,
11
Juracek, Kyle E.,
11
Rounds, Stewart,
11
Strauch, Kellan R.,
11
United States. National Park Service,
10
Colorado Water Conservation Board
10
Granato, Gregory E.,
10
Schrader, Tony P.,
10
United States. Bureau of Reclamation,
10
Wood, Tamara M.,
9
Bartholomay, Roy C.,
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Language
Genre
34
Maps
6
Statistics
5
Geological maps
4
Periodicals
3
Bibliographies
3
Conference papers and proceedings
more ...
3
Electronic government information
3
Guidebooks
3
Technical reports
2
Databases
1
Annual reports
1
Atlases
1
Case studies
1
Catalogs
1
Electronic books
1
Graphs
1
Handbooks and manuals
1
Personal correspondence
1
Records (Documents)
1
Records and correspondence
1
Relief models
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Literary Form
Era
Region
104
United States
82
California
66
New York (State)
60
Idaho
58
Texas
58
Washington (State)
more ...
53
Oregon
52
Colorado
47
Arizona
43
Missouri
42
Kansas
40
Florida
38
Arkansas
35
Georgia
35
Hawaii
33
Indiana
33
New Mexico
32
Minnesota
31
Nevada
29
Ohio
28
Alaska
27
Wisconsin
26
Massachusetts
26
Nebraska
26
North Dakota
24
North Carolina
23
Pennsylvania
21
Illinois
21
New Jersey
21
Oklahoma
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Year of Publication