Author
Geological Survey (U.S.)
27
Cobb, Edward H. 1916-1983
16
Griffin, Villard S.
6
Colorado Geological Survey
4
Curtin, Gary C., 1935-
4
Geological Society of America
3
Conant, Eve,
2
Decade of North American Geology Project
2
Healy, Patricia,
2
Marques, Diana (Graphic artist),
2
National Geographic Society (U.S.),
2
South Carolina State Development Board. Division of Geology
2
Zillmer, Scott,
2
Alaska. Division of Geological and Geophysical Surveys
1
Aldrich, M. J.
1
American Association of Petroleum Geologists
1
Ballard, W. W. 1932-
1
Bankey, Viki
1
Beikman, Helen M.
1
Blake, Clark
1
Bluemle, John P.
1
Brackett, W. A.
1
Braun, Caroline (Editor),
1
Bridges, S. R.
1
Brod, Robert C.
1
Burnett, John L., 1932-
1
California. Division of Mines and Geology
1
Canales, Manuel, (Graphics editor),
1
Chwastyk, Matthew W.,
1
Collignon, Antoine,
1
Collins, Donna Bishop
1
Colorado. Department of Local Affairs
1
Correlation of Stratigraphic Units of North America Project
1
Covington, H. R.
1
Detterman, Robert L.
1
Dunn, David E., 1935-
1
Elder, Scott, (Writer),
1
Fagan, James Michael
1
Foster, H. L.
1
Geological Survey (U.S.),
1
Gerhard, Lee C.
1
Hemborg, H. Thomas
1
Jacobs, Brian T.,
1
Jennings, Charles W. 1927-
1
Kleinkopf, M. Dean 1926-2015
1
Laughlin, A. William 1936-
1
Lawrence, R. D. 1943-
1
Lindberg, F. Alan
1
Long, L. T.
1
MacKevett, E. M. 1918-2006
1
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