Author
Geological Survey (U.S.)
3,682
United States Soil Conservation Service
2,452
United States Central Intelligence Agency
1,136
Rand McNally and Company
443
United States Army Map Service
423
United States Forest Service
423
Historic Urban Plans (Firm)
387
United States Bureau of the Census
377
Irish Academic Press
356
United States Bureau of Land Management
278
National Geographic Society (U.S.) Cartographic Division
252
United States Bureau of the Census. Geography Division
237
United States National Park Service
203
Great Britain Ordnance Survey
202
Texas Agricultural Experiment Station
189
Soviet Union Glavnoe upravlenie geodezii i kartografii
185
Arrowsmith, John, 1790-1873
183
Great Britain War Office. General Staff. Geographical Section
183
United States Natural Resources Conservation Service
171
Geological Survey of Canada
160
United States Bureau of the Census. Data User Services Division
155
U.S. Fish and Wildlife Service
139
Geometronics Service Center (U.S.)
134
Geological Society of America
121
Kansas Agricultural Experiment Station
108
Blaeu, Joan, 1596-1673
106
United States Forest Service. Southern Region
105
Sanson, Nicolas, 1600-1667
103
Library of Congress Geography and Map Division
101
Bollmann Bildkarten Verlag
100
United States Bureau of Indian Affairs
98
Library of Congress Map Division
96
U.S. Coast and Geodetic Survey
96
Purdue University Agricultural Experiment Station
95
United States Army. Corps of Engineers
95
University of Missouri--Columbia Agricultural Experiment Station
95
University of Nebraska--Lincoln Conservation and Survey Division
92
Williams and Heintz Map Corporation
92
Jansson, Jan, 1588-1664
89
Unesco
88
John Bartholomew and Son
87
Thailand Krom Yōthā Thētsabān
87
United States Department of Labor. Manpower Administration
87
Ohio Agricultural Research and Development Center
85
DeLorme Mapping Company
84
New York (State) Department of Environmental Conservation
83
Phillips, Philip Lee, 1857-1924
83
Anville, Jean Baptiste Bourguignon d', 1697-1782
82
Rocque, John, -1762
82
Shupe, John F
82
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