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Author: Geological Survey (U.S.)
Collection
Format
Subject
499
Water quality
496
Geology
348
Groundwater
278
Stream measurements
224
Mines and mineral resources
221
Groundwater flow Mathematical models
more ...
216
Hydrogeology
185
Streamflow
181
Groundwater Pollution
176
Water Pollution
169
Water-supply
154
Water table
148
Geology, Stratigraphic
140
Groundwater Quality
140
Groundwater flow
135
Aquifers
135
Floods
128
Geology, Structural
128
Hydrology
120
Groundwater flow Computer simulation
103
Afghanistan
99
Earthquakes
87
Water quality management
85
Petroleum reserves
81
Mineral industries
77
Geochemistry
73
Natural gas
72
Nutrient pollution of water
70
Petroleum
67
Volcanoes
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Author
Geological Survey (U.S.)
161
National Water-Quality Assessment Program (U.S.)
136
United States. National Park Service
128
United States. Environmental Protection Agency
106
United States. Bureau of Mines
102
Afghanistan. Department of Geological Survey
more ...
89
United States. Agency for International Development
79
United States. Bureau of Land Management
77
United States. Bureau of Reclamation
71
Turner, Kenzie J.
67
Afghanistan. Idārah-i ʻUmūmī-i Jiyūdīzī va Kārtūgrāfī
64
United States. National Aeronautics and Space Administration
63
Davis, Philip A. 1950-
58
U.S. Fish and Wildlife Service
53
California. State Water Resources Control Board
52
Clark, Perry S.
52
United States. Army. Corps of Engineers
49
Bohannon, Robert G.
46
Belitz, Kenneth
45
Southwest Florida Water Management District (Fla.)
44
United States. Department of Energy
42
United States. Forest Service
40
Hawaiian Volcano Observatory
38
Nakata, Jennifer S.
35
New Jersey. Department of Environmental Protection
35
United States. National Oceanic and Atmospheric Administration
34
Wright, Thomas L. 1935-
31
South Florida Water Management District (Fla.)
31
Western Coastal and Marine Geology Program (Geological Survey)
30
Afghanistan. Geological and Mineral Survey
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Language
Genre
1,324
Maps
345
Statistics
196
Databases
185
Periodicals
116
Topographic maps
101
Remote-sensing maps
more ...
71
Conference papers and proceedings
69
Technical reports
64
Academic theses
51
Bibliographies
49
Bathymetric maps
45
Remote-sensing images
40
Graphs
37
Handbooks and manuals
18
Software
17
Atlases
16
Catalogs
15
Geographic information systems
13
Photographs
10
Congresses
9
Guidebooks
9
Pictures
8
Charts, diagrams, etc
8
Directories
8
Illustrated works
8
Relief models
7
Geological maps
6
Dictionaries
6
Digital maps
6
Observations
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Literary Form
Era
38
Quaternary
28
Cretaceous
14
Tertiary
10
Jurassic
8
Cenozoic
8
Holocene
more ...
8
Precambrian
7
Paleozoic
6
Permian
6
Pliocene
6
Proterozoic
5
Eocene
5
Pleistocene
4
Cambrian
4
Mesozoic
4
Ordovician
3
20th century
3
Carboniferous
3
Devonian
3
Paleocene
3
Silurian
2
Earthquake, 1989
2
Miocene
2
Mississippian
2
Oligocene
2
Paleogene
1
1770-1838
1
1774-1809
1
1878-1974
1
1881-1971
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Region
701
United States
518
California
276
Alaska
268
Colorado
254
Florida
203
Texas
more ...
181
Nevada
174
Afghanistan
171
Washington (State)
153
Hawaii
133
Arizona
125
New Mexico
115
Massachusetts
111
Idaho
105
New York (State)
92
Louisiana
90
Oregon
85
Wyoming
84
Wisconsin
83
Montana
83
New Jersey
69
Utah
65
Michigan
65
Pennsylvania
64
Georgia
60
Arkansas
59
Kansas
57
Tennessee
56
Missouri
56
Ohio
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Call Number
434
G - Geography, Anthropology, Recreation
286
Q - Science
129
T - Technology
16
H - Social Science
11
M - Music
9
N - Fine Arts
more ...
5
S - Agriculture
4
C - Historical Sciences
4
E - United States History
4
Z - Library Science
3
F - General American History
2
A - General Works
2
V - Naval Science
1
D - World History
1
J - Political Science
1
K - Law
1
P - Language and Literature
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Year of Publication