Author
United States Army Map Service
173
Japan Rikuchi Sokuryōbu
100
Geological Survey (U.S.)
82
Inter American Geodetic Survey
74
United States Defense Mapping Agency
67
Instituto Geográfico Nacional (Guatemala)
66
Guatemala Dirección General de Cartografía
63
Great Britain Army. Middle East Drawing and Reproduction
27
Great Britain Army. Royal Engineers. Palestinian Field Survey Coy., 524
27
Great Britain Army. Middle East Forces
26
California Division of Mines and Geology
12
Tennessee Division of Geology
8
California Division of Mines
7
Parks, William Scott
7
Sykes, C. Ronald (Charles Ronald)
7
Tennessee Valley Authority
7
United States Army. Corps of Engineers
7
United States Bureau of Land Management
7
Instituto Geográfico Nacional (Costa Rica)
6
Weaver, Charles E (Charles Edwin), 1880-1958
6
Wilson, Herbert M (Herbert Michael), 1860-1920
6
Afghanistan Department of Geological Survey
5
Afghanistan Idārah-i ʻUmūmī-i Jiyūdīzī va Kārtūgrāfī
5
Bohannon, Robert G
5
Instituto Geográfico Nacional
5
Instituto Geográfico Nacional (Peru)
5
Kokusai Kyōryoku Sōgō Kenshūjo (Japan)
5
United States Agency for International Development
5
Aerospace Center (U.S.)
4
Geological Society of America
4
Great Britain General Staff. Geographical Section
4
Great Britain War Office. General Staff. Geographical Section
4
New York State Museum of Natural History
4
Pennsylvania Bureau of Topographic and Geologic Survey
4
Greece Stratos. Chartographikē Hypēresia
3
Mattox, Porter L
3
New York State Museum
3
A. Hoen & Co
2
Afghanistan Idārah-i ʻUmūmī-i Jiyūdīzī va Kārtūgrāfī
2
Allen, John Eliot, 1908-1996
2
Bassett, C. C
2
Bayerisches Landesvermessungsamt
2
Cushing, Henry Platt, 1860-
2
Everhart, Donald L
2
Griswold, W. T
2
Illinois State Geological Survey
2
Instituto Geográfico Militar
2
Instituto Geográfico Nacional "Ingeniero Alfredo Obiols Gómez"
2
Leith, C. J (Carlton James), 1919-2014
2
Luther, D. D (Daniel Dana), 1840-1923
2
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