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Author: Geological Survey (U.S.),
Institution
Collection
Format
Subject
2,667
Geology
1,560
Groundwater
1,399
Water quality
1,162
Geology, Stratigraphic
1,024
Mines and mineral resources
941
Aquifers
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704
Water-supply
703
Hydrogeology
642
Stream measurements
485
Groundwater flow
472
Streamflow
463
Hydrology
460
Paleontology
458
Groundwater Quality
376
Floods
356
Groundwater Pollution
341
Water Pollution
226
Land use, Rural
217
Water table
206
Geochemistry
202
Petrology
201
Ore deposits
193
Water levels
190
Uranium ores
169
Sediment transport
158
Sedimentation and deposition
158
Water quality management
156
Earthquakes
153
Groundwater flow Mathematical models
144
Water quality Measurement
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Author
Geological Survey (U.S.),
340
U.S. Atomic Energy Commission,
264
National Water-Quality Assessment Program (U.S.)
244
United States. Bureau of Land Management,
221
National Operations Center (U.S.),
219
United States. Bureau of Reclamation
more ...
185
United States. Environmental Protection Agency
181
United States. Army. Corps of Engineers
179
U.S. Fish and Wildlife Service
174
United States. National Park Service
172
United States. Bureau of Land Management
160
United States. Department of Energy
95
Afghan Geological Survey,
82
Southwest Florida Water Management District (Fla.)
75
United States. Bureau of Indian Affairs
74
New York (State). Department of Environmental Conservation
73
Marshall, R. B. 1867-1949,
68
U.S. Task Force for Business and Stability Operations
60
Washington (State). Department of Ecology
59
U.S. Atomic Energy Commission
56
California. Department of Water Resources
54
Miller, Todd S.,
49
United States. Army. Corps of Engineers,
48
South Florida Water Management District (Fla.)
43
Florida. Department of Environmental Regulation
43
New Jersey. Department of Environmental Protection
43
United States. Bureau of Land Management. Montana State Office,
43
United States. National Park Service,
42
Wisconsin. Department of Natural Resources
41
Nassau County (N.Y.). Department of Public Works
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Language
Genre
2,953
Maps
1,055
Topographic maps
252
Electronic government information
154
Geological maps
140
Bibliographies
103
Statistics
more ...
92
Conference papers and proceedings
79
Indexes
78
Surveys
68
Remote-sensing images
66
Periodicals
57
Handbooks and manuals
43
Databases
42
Bathymetric maps
36
Nomenclature
30
Remote-sensing maps
27
Gazetteers
27
Technical reports
19
Festschriften
16
Dictionaries
15
Pictures
14
Atlases
14
Guidebooks
12
Abstracts
12
Posters
11
Catalogs
11
Congresses
11
Fiction
11
Graphs
11
Tables (Data)
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Literary Form
Era
267
Cretaceous
156
Tertiary
102
Paleozoic
91
Eocene
87
Precambrian
81
Quaternary
more ...
80
Permian
77
Cenozoic
76
Miocene
64
Ordovician
63
Jurassic
63
Mississippian
62
Pennsylvanian
61
Devonian
55
Mesozoic
55
Pleistocene
51
Triassic
36
Oligocene
35
Cambrian
34
Carboniferous
31
Proterozoic
31
Silurian
30
Holocene
30
Pliocene
19
Paleocene
14
Archaean
8
21st century
8
Neogene
6
Paleogene
5
Pre-Quaternary
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Region
1,118
California
1,032
United States
806
Alaska
694
Colorado
497
Nevada
496
Washington (State)
more ...
486
Florida
474
Arizona
442
Montana
422
Wyoming
405
New York (State)
388
Oregon
387
Idaho
379
Utah
370
New Mexico
339
Texas
256
Pennsylvania
206
Kansas
188
Virginia
181
Minnesota
180
Wisconsin
177
North Carolina
174
Arkansas
172
Hawaii
172
Missouri
170
Georgia
169
New Jersey
167
Louisiana
160
Kentucky
157
Massachusetts
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Call Number
690
G - Geography, Anthropology, Recreation
491
Q - Science
102
T - Technology
7
S - Agriculture
5
H - Social Science
4
Z - Library Science
more ...
2
C - Historical Sciences
2
F - General American History
2
R - Medicine
1
A - General Works
1
E - United States History
1
N - Fine Arts
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Year of Publication