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Geological Survey (U.S.)
Gerlach, Arch C.
197
Overstreet, William B.
197
Pecora, William T.
197
U.S. Census Bureau
65
United States. Environmental Science Services Administration
16
United States. Environmental Data Service
15
U. S. Coast and Geodetic Survey
9
Goetzmann, William H.
6
United States. Department of Agriculture
5
United States. Department of Agriculture. Statistical Reporting Service
5
United States. Soil Conservation Service
5
U.S. Fish and Wildlife Service
4
United States. Federal Power Commission
4
United States. Naval Oceanographic Office
4
United States. Public Health Service
4
Ferrigno, Jane G.
3
Hammond, Edwin H.
3
Krimmel, Robert M.
3
Nicholson, Henry Alleyne, 1844-1899
3
Trabant, Dennis
3
U.S. Atomic Energy Commission
3
U.S. Coast and Geodetic Survey
3
United States. Bureau of Land Management
3
United States. Bureau of Mines
3
White, Charles A. (Charles Abiathar), 1826-1910
3
Williams, Richard S.
3
Brooks, Alfred H. (Alfred Hulse), 1871-1924
2
Brooks, Alfred Hulse, 1871-1924
2
Friis, Herman R. (Herman Ralph), 1905-1989
2
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Data Visualization
77
Commerce
72
Economics
72
Landscape and Nature - Geography and Maps
53
Texas -- Maps
52
Topographic
52
topographic maps
52
topography
52
Texas -- Surveys
51
elevations
51
geologic maps
51
geologic surveys
51
maps
51
quadrangle maps
51
survey maps
51
Physical
48
Historical
40
Places - United States - Texas
37
Natural resources
23
Statistical
23
Geology
22
Population
22
Indians of North America
21
Land Use
19
Mining and Minerals
19
Political
19
Climate
16
Weather
16
Agriculture
15
Glaciers
13
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David Rumsey Historical Map Collection (Cartography Associates)
198
Hathi Trust Digital Library
67
The Portal to Texas History (University of North Texas)
53
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
8
University of Michigan: Digital Collections
5
Biodiversity Heritage Library (BHL)
3
Iowa State University Library Digital Collections
3
The Library of Congress: American Memory
2
Ball State University: Digital Media Repository
1
University of Florida: Digital Library Center
1
University of North Texas: UNT Digital Library
1
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Quadrangle
52
Bird Island
19
Arctic
13
Indian
12
Pacific
6
Antarctic
5
Canada
4
Greenland
4
Yukon
4
Arctic Ocean
3
Detroit
3
Martillo
3
Baxter
2
Big Rock
2
Browning
2
Carroll
2
Chandler
2
Chapel Hill
2
Fairbanks
2
Heimaey
2
Hudson
2
Hudson Bay
2
Huffman
2
Murchison
2
Napier
2
Nimrod
2
Rose Hill
2
St. Louis
2
Todd
2
Walden
2
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Alaska
244
glaciers
198
Bird Island
19
Terranova
14
Arctic
13
Beaver Creek
12
Antarc*
10
North Atlantic
10
Antarctica
8
Seward Peninsula
7
glacier
7
Newfoundland
6
Tundra
6
Aleutian Islands
5
Antarctic
5
Baker Lake
5
north slope
5
permafrost
5
Greenland
4
Nome
4
Yukon
4
Arctic Ocean
3
Beaufort Sea
3
Kodiak
3
Foraminifera*
2
Heimaey
2
Hudson Bay
2
Iceland
2
Ketchikan
2
Sea ice
2
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