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Institution
Collection
368
Gov Pub Electronic
125
Storage Gov Pub
115
Gov Pub Microfiche
34
Main Books 3rd Floor
25
Storage Folded Maps
10
Electronic Access
more ...
8
Juv Coll 2nd Floor
6
Storage Gov Pub Media
2
Flat Maps 2nd Floor
2
Gov Pub Ref 1st Floor
2
New Books 1st Floor
1
CO Gov Pub Electronic
1
Spec Coll 3rd Floor
1
Storage Books
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Format
Subject
59
Geology
48
Puerto Rico Politics and government
46
Groundwater
42
Reservoir sedimentation
39
Puerto Rico
32
Water-supply
more ...
30
Self-determination, National
28
Aquifers
28
Puerto Rico Relations
28
United States Relations
22
Statehood (American politics)
20
Geology, Stratigraphic
18
Floods
18
Puerto Rico Economic conditions
18
Sedimentation and deposition
18
Water quality
17
Hurricanes
16
Hydrogeology
15
Disaster relief
15
Hurricane Maria, 2017
15
Sediments (Geology)
14
Hurricane damage
12
Debts, Public
12
Puerto Rico Appropriations and expenditures
12
Stream measurements
11
Puerto Rico History
10
El Yunque National Forest (P.R.)
10
Groundwater flow
10
Hydrology
10
Referendum
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Author
175
Geological Survey (U.S.)
128
Geological Survey (U.S.),
65
Puerto Rico Aqueduct and Sewer Authority
47
Puerto Rico. Department of Natural Resources
27
Soler-López, Luis R.
22
Puerto Rico Electric Power Authority
more ...
22
Puerto Rico. Environmental Quality Board
21
Library of Congress. Congressional Research Service,
21
United States. Congress. House. Committee on Natural Resources,
20
Puerto Rico Industrial Development Company
20
Puerto Rico. Department of Natural and Environmental Resources
14
Puerto Rico. Department of Agriculture
14
Soler-López, Luis R.,
14
United States. Congress. House. Committee on Resources
13
Rodríguez-Martínez, Jesús
12
Webb, Richard M. T.
11
Gómez-Gómez, Fernando
10
Puerto Rico. Department of Industrial Research
10
Quiñones, F.
9
Gómez-Gómez, Fernando,
9
Monroe, Watson Hiner, 1907-1992
9
National Renewable Energy Laboratory (U.S.),
9
Puerto Rico. Economic Development Administration
9
United States. Congress. Senate. Committee on Energy and Natural Resources
8
Webb, Richard M. T.,
7
International Institute of Tropical Forestry (Río Piedras, San Juan, P.R.)
7
Puerto Rico. Department of Industrial Research,
7
Rodríguez, José M.
7
U.S. Fish and Wildlife Service
7
United States. Administration on Aging
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Language
Genre
81
Maps
48
Legislative hearings
22
Statistics
17
Periodicals
16
Bibliographies
14
Legislative materials
more ...
11
Technical reports
6
Statutes and codes
5
Census data
5
Fiction
4
Catalogs
3
Atlases
3
Autobiographies
3
Bathymetric maps
3
Biographies
3
Conference papers and proceedings
2
Directories
2
Domestic fiction
2
Gazetteers
2
Guidebooks
2
Historical fiction
2
Illustrated works
2
Literature
2
Novels
2
Picture books
2
Remote-sensing images
2
Remote-sensing maps
2
Tables (Data)
1
Census, 1990
1
Census, 2000
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Literary Form
Era
29
1952-1998
13
Cretaceous
10
Tertiary
5
1952-
5
1998-
4
20th century
more ...
4
Miocene
4
Oligocene
4
Quaternary
2
1934-1972
1
1891-1979
1
1897 1901
1
1897-1901
1
1898-1952
1
1910-
1
1960
1
1964
1
21st century
1
Cenozoic
1
Mesozoic
1
Paleozoic
1
Precambrian
1
Siglo XX
1
To 1898
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Region
Puerto Rico
111
United States
52
United States Virgin Islands
13
San Juan
11
Caribbean Area
11
El Yunque National Forest (P.R.)
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10
Vieques Island
7
New York (State)
6
Florida
6
San Juan National Historic Site (San Juan, P.R.)
5
Dos Bocas, Lake
5
Gulf Coast (U.S.)
5
Hawaii
5
New Jersey
5
Ponce
4
Atlantic Coast (U.S.)
4
Barceloneta
4
Cabo Rojo
4
Caguas
4
Caribbean National Forest
4
Carraízo Reservoir (P.R.)
4
Cidra Lake
4
Demajagua River Watershed
4
Espíritu Santo River Watershed
4
Manatí Region
4
Mayagüez
4
New York
4
San Juan (P.R.)
4
Southern States
4
Vega Baja Region
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Call Number
66
K - Law
59
G - Geography, Anthropology, Recreation
33
A - General Works
33
H - Social Science
33
L - Education
33
Q - Science
more ...
27
E - United States History
27
M - Music
17
C - Historical Sciences
17
F - General American History
16
P - Language and Literature
13
S - Agriculture
6
J - Political Science
6
T - Technology
5
D - World History
2
V - Naval Science
1
B - Philosophy, Psychology, Religion
1
R - Medicine
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Year of Publication