Author
United States. Central Intelligence Agency
41
Geological Survey (U.S.)
23
National Geographic Maps (Firm)
5
National Geographic Society (U.S.)
3
Alpha, Tau Rho
2
Armenia (Republic). Bnapahpanutʻyan ev Ěnderkʻi Nakhararutʻyun
2
Bier, James Allen
2
Carroll, Allen
2
National Geographic Society (U.S.). Cartographic Division
2
United States. Agency for International Development
2
Allan, Harold A.
1
Binder, L. J.,
1
Blome, Charles D.,
1
Bonner, John A.
1
Bradley, Elaine H.,
1
Brandt, Ted R., 1954-
1
Bullington, Richard W.,
1
California
1
Caxton Company
1
De Blij, Harm J.
1
Gamache, Martin,
1
Geological Survey (U.S.),
1
Geological Survey of Canada
1
Geospatial Service and Technology Center (U.S.),
1
Golab, James A.,
1
Goodman, James Marion
1
Goodman, Mary E.
1
Hackman, Robert J.
1
Hammond, Edwin Hughes, 1919-
1
Haub, Carl
1
Huber, N. King 1926-
1
Ibinson, Julie A.,
1
Illinois State Geological Survey
1
Kaiyō Kenkyū Kaihatsu Kikō (Japan)
1
Lidke, David J.,
1
Mason, Arnold Caverly, 1906-
1
McNulty, William E.
1
Myers, Bobbie
1
National Geographic Society (U.S.). Cartographic Division,
1
Oregon. Department of Geology and Mineral Industries
1
Pezolt, Francis
1
Raisz, Erwin, 1893-1968
1
Riehle, J. R.
1
Riggs, E. A.
1
Salinas, Taryn L.
1
Sanford, B. V.
1
Shupe, John F.
1
Shupe, John F.,
1
Suominen-Summerall, Sally
1
Tibor, Toth G.
1
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