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Region: United States
Institution
Collection
Format
Subject
468
Water quality
371
Water quality management
245
Water-supply
98
Water quality Measurement
97
Water Pollution Law and legislation
92
Federal aid to water quality management
more ...
78
Water quality management Government policy
76
Water Pollution
72
Water quality management Law and legislation
57
Water quality biological assessment
49
Water quality Government policy
47
Drinking water Law and legislation
46
Water quality management Finance
43
Water quality Standards
39
Drinking water
39
Rules and practice
38
Water Composition
30
Groundwater Quality
26
Drinking water Contamination
26
Environmental monitoring
25
Watershed management
24
Nutrient pollution of water
23
Appropriations and expenditures
22
Nonpoint source pollution
22
Water Analysis
20
Drinking water Standards
19
Water quality monitoring stations
17
Groundwater Pollution
17
Water Pollution Total maximum daily load
16
Stream measurements
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Author
383
Geological Survey (U.S.)
300
United States. Environmental Protection Agency. Office of Water
98
Geological Survey (U.S.),
57
National Water-Quality Assessment Program (U.S.)
49
Library of Congress. Congressional Research Service,
43
United States. Congress. Senate. Committee on Environment and Public Works,
more ...
36
United States. Environmental Protection Agency
26
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment
20
United States. Environmental Protection Agency. Office of Wetlands, Oceans, and Watersheds
19
United States. Congress. Senate. Committee on Environment and Public Works
19
Wells, J. V. B.
16
National Exposure Research Laboratory (U.S.)
15
United States. Environmental Protection Agency. Office of Research and Development
15
United States. Environmental Protection Agency. Office of Science and Technology
15
United States. Environmental Protection Agency. Office of Water,
14
National Risk Management Research Laboratory (U.S.)
14
United States. Congress. House. Committee on Transportation and Infrastructure
14
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment,
13
Copeland, Claudia,
13
United States. Congress. House. Committee on Transportation and Infrastructure,
13
United States. Environmental Protection Agency,
12
Hamilton, Pixie A.
11
National Water-Quality Laboratory (U.S.)
10
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Fisheries, Water, and Wildlife,
9
Gatz, Laura,
9
Love, S. K. 1903-1995
9
Ramseur, Jonathan L.,
9
United States. Environmental Protection Agency. Assessment and Watershed Protection Division
9
United States. Environmental Protection Agency. Office of Ground Water and Drinking Water
9
United States. Environmental Protection Agency. Office of Wastewater Management
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Genre
87
Handbooks and manuals
77
Legislative hearings
40
Bibliographies
33
Legislative materials
31
Periodicals
20
Conference papers and proceedings
more ...
12
Databases
9
Technical reports
8
Congresses
6
Statutes and codes
6
Treaties
6
Video recordings
5
Case studies
4
Dictionaries
4
Statistics
3
Academic theses
3
Maps
2
Catalogs
2
Directories
2
Electronic government information
2
Software
1
Abstracts
1
Classification
1
Electronic books
1
Examinations
1
Geographic information systems
1
Government publications
1
Interactive multimedia
1
Trivia and miscellanea
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Literary Form
Region
United States
53
Missouri River Watershed
52
Mexico, Gulf of
37
Texas
35
Colorado River Watershed (Colo.-Mexico)
30
Mississippi River Watershed
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16
California
13
Ohio River Watershed
10
Pacific Coast
8
Columbia River Watershed
8
Northeastern States
7
Oregon
6
Atlantic States
6
Pennsylvania
6
Saint Lawrence River Watershed
6
Western Gulf of Mexico basins
5
Hudson Bay
5
Mexico
4
Chester County
4
Great Basin
4
Hawaii
4
Middle West
4
West (U.S.)
3
Alaska
3
Blackfeet Indian Reservation
3
Blackfeet Tribe of the Blackfeet Indian Reservation of Montana
3
Colorado
3
Great Lakes (North America)
3
Long Island Sound (N.Y. and Conn.)
3
Montana
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Call Number
512
E - United States History
279
T - Technology
149
K - Law
60
Q - Science
49
L - Education
33
G - Geography, Anthropology, Recreation
more ...
30
A - General Works
13
S - Agriculture
8
C - Historical Sciences
4
H - Social Science
3
D - World History
2
R - Medicine
1
P - Language and Literature
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Year of Publication