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In Prospector
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Institution
Collection
124,288
Gov Pub Electronic
64,981
Gov Pub Microfiche
56,460
Main Books 3rd Floor
47,129
Storage Gov Pub
33,278
Electronic Access
21,102
CO Gov Pub Electronic
more ...
6,541
Storage Folded Maps
3,971
Microfilm 2nd Floor
3,865
Spec Coll 3rd Floor
1,856
Storage Flat Maps
1,807
Juv Coll 2nd Floor
1,754
Flat Maps 2nd Floor
1,674
Audio and Visual 1st Floor
1,282
Ref Coll 1st Floor
1,222
Storage Books
1,104
Spec Coll Energy 3rd Floor
894
Storage Gov Pub Media
864
New Books 1st Floor
780
Gov Pub Ref 1st Floor
665
Oversize 3rd Floor
369
Storage Periodicals
281
Storage Colo Doc
254
Bestsellers 1st Floor
180
Reserve 1st Floor
127
Storage Microfiche
108
Periodicals
45
Spec Coll Oversize 3rd Floor
34
Ref Oversize 1st Floor
33
Map CD 2nd Floor
27
Special Coll Rare Books
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Format
147,803
Book
91,565
eBook
56,096
Electronic
32,095
Microfilm
17,629
Map
10,584
Unknown
more ...
7,220
Video
6,534
Serial
1,233
DVD
1,157
Journal
508
Photo
404
Software
294
VHS
188
Manuscript
164
Musical Score
110
CD
107
Record
99
Audio
83
Slide
42
Cassette
16
Sensor Image
11
Blu-ray Disc
9
Kit
8
Book Chapter
6
Newspaper
2
Braille
1
Physical Object
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Subject
13,947
Geology
7,286
Appropriations and expenditures
5,274
United States Foreign relations
5,268
Rules and practice
4,622
Mines and mineral resources
4,530
Groundwater
more ...
4,229
Water quality
3,994
Geology, Stratigraphic
3,215
Management
3,015
History
2,958
United States Politics and government
2,923
Water-supply
2,784
United States History
2,667
National security
2,245
Evaluation
2,033
Officials and employees
2,005
Auditing
1,983
United States
1,792
Aquifers
1,752
United States Foreign economic relations
1,636
Stream measurements
1,585
Forest management
1,581
Hydrogeology
1,500
Emergency management
1,445
Hydrology
1,428
Water Pollution
1,406
United States Economic conditions
1,363
Budget
1,317
Paleontology
1,243
Groundwater Quality
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Author
28,127
Geological Survey (U.S.)
16,901
Geological Survey (U.S.),
9,993
SpringerLink (Online service)
9,651
Library of Congress. Congressional Research Service,
5,106
Oxford Scholarship Online
3,965
Infobase,
more ...
3,857
United States,
3,400
Films for the Humanities & Sciences (Firm)
3,389
Infobase
2,773
EBSCOhost
2,232
Educational Resources Information Center (U.S.)
2,180
U.S. Fish and Wildlife Service
2,145
United States. National Park Service
2,062
United States. Bureau of Land Management
1,984
United States. Congress. House. Committee on Rules
1,976
Law Library of Congress (U.S.). Global Legal Research Directorate,
1,849
United States. Congress. Senate. Committee on Energy and Natural Resources
1,715
United States. Forest Service
1,592
ScienceDirect (Online service)
1,549
National Renewable Energy Laboratory (U.S.),
1,465
United States. Bureau of the Census
1,444
Colorado. General Assembly. Legislative Council
1,388
United States. Congress. House. Committee on the Judiciary
1,373
National Center for Education Statistics
1,328
United States. Bureau of Mines
1,315
United States. Environmental Protection Agency
1,291
United States. Forest Service,
1,276
National Center for Health Statistics (U.S.),
1,259
United States. Congress. House. Committee on Natural Resources,
1,203
United States. Congress. Senate. Committee on Foreign Relations
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Language
English
1,894
Spanish
1,410
French
664
German
383
Russian
333
Chinese
more ...
216
Japanese
214
Italian
164
Portuguese
143
Arabic
95
Undetermined
92
Multiple
85
Latin
80
Korean
72
Dutch
69
Polish
63
Hebrew
49
Ancient Greek
48
Swedish
41
Greek
39
Norwegian
35
Hungarian
29
Danish
26
Czech
26
Ukrainian
26
Vietnamese
22
Romanian
22
Thai
21
Hindi
21
Turkish
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Genre
20,692
Maps
12,750
Legislative hearings
12,184
Statistics
10,665
Periodicals
8,832
Biographies
8,244
Legislative materials
more ...
7,921
Bibliographies
5,412
Handbooks and manuals
4,737
Video recordings
4,074
Conference papers and proceedings
3,962
Technical reports
3,451
Internet videos
3,394
Topographic maps
2,591
Statutes and codes
2,505
Treaties
2,238
Autobiographies
2,018
Instructional television programs
1,998
Case studies
1,858
Fiction
1,576
Congresses
1,312
Catalogs
1,293
Guidebooks
1,269
Directories
1,123
Illustrated works
1,008
Drama
882
Literature
868
Databases
823
Dictionaries
760
Nonfiction television programs
694
Feature films
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Literary Form
Era
6,492
20th century
3,204
19th century
1,766
21st century
1,052
18th century
983
Civil War, 1861-1865
791
Cretaceous
more ...
785
1945-
650
1945-1989
637
17th century
536
1933-1945
516
Revolution, 1775-1783
436
1989-
428
Tertiary
420
16th century
410
2009-
402
1946-
389
2001-2009
363
Quaternary
352
1991-
346
Colonial period, ca. 1600-1775
324
To 1500
309
Paleozoic
304
Precambrian
280
Cenozoic
265
2000-
237
Permian
223
1993-2001
223
Eocene
221
1960-
218
1918-1945
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Region
185,642
United States
28,641
Colorado
8,581
California
7,116
Great Britain
5,319
China
5,220
Alaska
more ...
3,867
Utah
3,840
New Mexico
3,801
Europe
3,612
Arizona
3,356
Nevada
3,198
West (U.S.)
3,103
Texas
2,986
Wyoming
2,953
Montana
2,927
Oregon
2,855
Washington (State)
2,719
New York (State)
2,473
Florida
2,364
Idaho
2,346
Japan
2,292
India
2,018
England
1,964
Mexico
1,924
France
1,849
Germany
1,809
North America
1,749
Washington (D.C.)
1,703
Pennsylvania
1,640
Canada
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Call Number
45,524
K - Law
33,108
H - Social Science
27,825
E - United States History
21,764
L - Education
16,059
Q - Science
15,505
G - Geography, Anthropology, Recreation
more ...
14,271
D - World History
13,954
A - General Works
12,197
T - Technology
12,085
P - Language and Literature
11,382
F - General American History
8,418
J - Political Science
7,622
S - Agriculture
6,284
C - Historical Sciences
5,703
M - Music
3,873
N - Fine Arts
3,805
R - Medicine
2,381
B - Philosophy, Psychology, Religion
1,359
U - Military Science
1,262
Z - Library Science
1,162
V - Naval Science
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Year of Publication