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In Prospector
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Institution
Collection
348
Gov Pub Electronic
272
Storage Gov Pub
151
Gov Pub Microfiche
47
Main Books 3rd Floor
35
Storage Folded Maps
6
Storage Flat Maps
more ...
3
Audio and Visual 1st Floor
3
New Books 1st Floor
2
Electronic Access
2
Gov Pub Ref 1st Floor
1
CO Gov Pub Electronic
1
Flat Maps 2nd Floor
1
Juv Coll 2nd Floor
1
Ref Coll 1st Floor
1
Storage Books
1
Storage Microfiche
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Format
Subject
66
Geology
50
Groundwater
34
Water quality
31
Maryland
25
Groundwater Pollution
22
Aquifers
more ...
21
Hydrogeology
21
Stream measurements
20
Groundwater flow
20
National parks and reserves
18
Blackwater National Wildlife Refuge (Md.)
18
Groundwater Quality
16
Historic sites
16
Oil spills
15
Geology, Stratigraphic
15
Water Pollution
11
Antietam National Battlefield (Md.)
11
Environmental monitoring
11
Paleontology
11
Water-supply
10
Aberdeen Proving Ground (Md.)
10
Homes and haunts
10
Hydrology
10
Magothy Aquifer
10
Water consumption
9
Floods
9
Historic sites Law and legislation
9
History
9
Maryland History
9
Wildlife refuges
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Author
194
Geological Survey (U.S.)
108
Geological Survey (U.S.),
44
Maryland Geological Survey
39
U.S. Fish and Wildlife Service
30
Aberdeen Proving Ground (Md.). Environmental Conservation and Restoration Division
30
United States. National Park Service
more ...
29
Damage Assessment, Remediation, and Restoration Program (U.S.)
23
Maryland. Department of the Environment
19
Maryland. Department of Natural Resources
12
Educational Resources Information Center (U.S.)
11
Drake, Avery Ala, 1927-
11
Mack, Frederick K.,
11
Maryland. Tidewater Administration
11
National Institutes of Health (U.S.)
10
United States. Congress. House. Committee on Transportation and Infrastructure
10
United States. Congress. Senate. Committee on Energy and Natural Resources
10
United States. National Park Service,
9
Lorah, Michelle M.
9
United States. Bureau of Labor Statistics
9
United States. Congress. Senate. Committee on Energy and Natural Resources,
9
Wheeler, Judith C.
8
Froelich, A. J. 1929-
8
Maryland. Water Resources Administration
8
Tenbus, Frederick J.
8
United States. Environmental Protection Agency
7
Aberdeen Proving Ground (Md.). Office of Environmental Management
7
Goddard Space Flight Center
7
Phelan, Daniel J.
6
Aberdeen Proving Ground (Md.). Environmental Management Division
6
Banks, William S. L.
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Language
Genre
82
Maps
22
Periodicals
22
Statistics
15
Biographies
11
Legislative materials
11
Technical reports
more ...
9
Autobiographies
9
Handbooks and manuals
9
Topographic maps
8
Case studies
7
Guidebooks
7
Legislative hearings
4
Catalogs
4
Databases
4
Directories
4
Statutes and codes
3
Bibliographies
3
Conference papers and proceedings
2
Documentary films
2
Gazetteers
2
Indexes
2
Literature
2
Longitudinal studies
2
Nonfiction films
2
Outline maps
2
Remote-sensing maps
2
Trivia and miscellanea
2
Video recordings for the hearing impaired
1
Activity books
1
Aerial views
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Literary Form
Era
7
19th century
6
1822-1913
6
Colonial period, ca. 1600-1775
6
Tertiary
5
1818-1895
5
Cretaceous
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4
Civil War, 1861-1865
4
Miocene
3
1908-1993
3
Pleistocene
2
18th century
2
1918-1996
2
1951-
2
20th century
2
Cambrian
2
Revolution, 1775-1783
2
To 1775
2
Triassic
2
War of 1812
1
1639-approximately 1703
1
1702-1782
1
1728-1786
1
1737-1832
1
1743-1787
1
1757?-1834
1
1771-1839
1
17th century
1
1805-1880
1
1807-1870
1
1816-1902
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Region
Maryland
80
Virginia
75
Baltimore
56
United States
44
Aberdeen Proving Ground
42
Delaware
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39
Washington (D.C.)
36
Bethesda
30
Pennsylvania
29
Montgomery County
21
West Virginia
18
Blackwater National Wildlife Refuge (Md.)
16
Prince George's County
15
Patuxent River
14
Anne Arundel County
14
Blackwater National Wildlife Refuge
12
Antietam National Battlefield (Md.)
12
New York (State)
12
Patuxent River Watershed
11
Antietam National Battlefield
10
Aberdeen Proving Ground (Md.)
10
Baltimore County
10
Frederick County
10
Magothy Aquifer
9
Baltimore Region
9
Greenbelt
8
Baltimore Metropolitan Area
8
Chesapeake and Ohio Canal National Historical Park
8
North Carolina
7
Baltimore (Md.)
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Call Number
82
E - United States History
66
H - Social Science
61
G - Geography, Anthropology, Recreation
49
K - Law
46
Q - Science
43
C - Historical Sciences
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25
A - General Works
25
D - World History
23
F - General American History
18
M - Music
17
T - Technology
12
L - Education
11
N - Fine Arts
8
J - Political Science
8
V - Naval Science
5
P - Language and Literature
5
S - Agriculture
2
R - Medicine
1
B - Philosophy, Psychology, Religion
1
Z - Library Science
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Year of Publication