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Geological Survey (U.S.)
121
Gerlach, Arch C.
121
Overstreet, William B.
121
Pecora, William T.
U.S. Census Bureau
48
United States. Environmental Data Service
9
United States. Environmental Science Services Administration
9
Goetzmann, William H.
6
United States. Department of Agriculture. Statistical Reporting Service
5
United States. Naval Oceanographic Office
3
United States. Soil Conservation Service
3
Friis, Herman R. (Herman Ralph), 1905-1989
2
Hammond Incorporated
2
Hammond, Edwin H.
2
Harrison, Richard Edes
2
King, Philip B., 1903-1987
2
U. S. Coast and Geodetic Survey
2
United States. Bureau of Commercial Fisheries
2
United States. Department of Agriculture
2
United States. National Archives and Records Service
2
United States. Public Health Service
2
Anderson, James R.
1
Broadcasting Publications, Inc
1
Davis, William E.
1
Denny, Charles Storrow, 1911-
1
Dodd, A. V.
1
Gaustad, Edwin S. (Edwin Scott)
1
Halliday, William R., 1926-
1
Kinney, Douglas M. (Douglas Merrill), 1917-
1
Küchler, A. W. (August William), 1907-1999
1
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Commerce
47
Economics
47
Data Visualization
45
Physical
32
Historical
25
Statistical
16
Population
15
Land Use
13
Agriculture
12
Indians of North America
12
Natural resources
11
Political
11
Climate
10
Weather
10
Exploration
8
Glaciers
7
Mining and Minerals
7
Topography
6
Nautical Charts
5
Time Zones
5
Forests
4
Geology
4
Transportation
3
Ethnography
2
Fishing
2
Geotectonics
2
Nationality
2
Race
2
Rivers
2
Water
2
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