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Author: Geological Survey (U.S.),
Institution
Collection
Format
Subject
2,660
Geology
1,556
Groundwater
1,397
Water quality
1,161
Geology, Stratigraphic
1,022
Mines and mineral resources
940
Aquifers
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702
Hydrogeology
702
Water-supply
640
Stream measurements
485
Groundwater flow
472
Streamflow
463
Hydrology
460
Paleontology
457
Groundwater Quality
376
Floods
353
Groundwater Pollution
340
Water Pollution
225
Land use, Rural
217
Water table
206
Geochemistry
202
Petrology
201
Ore deposits
192
Water levels
189
Uranium ores
169
Sediment transport
158
Water quality management
157
Sedimentation and deposition
155
Earthquakes
153
Groundwater flow Mathematical models
143
Water quality Measurement
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Author
Geological Survey (U.S.),
339
U.S. Atomic Energy Commission,
264
National Water-Quality Assessment Program (U.S.)
243
United States. Bureau of Land Management,
220
National Operations Center (U.S.),
219
United States. Bureau of Reclamation
more ...
185
United States. Environmental Protection Agency
180
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
56
California. Department of Water Resources
56
U.S. Atomic Energy Commission
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
2,940
Maps
1,053
Topographic maps
252
Electronic government information
151
Geological maps
139
Bibliographies
101
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
26
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
80
Permian
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80
Quaternary
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
1,113
California
1,025
United States
806
Alaska
691
Colorado
497
Nevada
495
Washington (State)
more ...
486
Florida
473
Arizona
441
Montana
419
Wyoming
403
New York (State)
388
Oregon
387
Idaho
379
Utah
367
New Mexico
335
Texas
256
Pennsylvania
206
Kansas
187
Virginia
181
Minnesota
180
Wisconsin
176
North Carolina
174
Arkansas
172
Hawaii
172
Missouri
170
Georgia
169
New Jersey
167
Louisiana
159
Kentucky
157
Massachusetts
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Call Number
677
G - Geography, Anthropology, Recreation
480
Q - Science
96
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