Author
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Roehler, Henry W.,
12
Ross, Clyde P. 1891-
12
Sargent, Kenneth A.,
12
Sims, P. K. 1918-2011,
12
Stearns, Richard Gordon, 1927-
12
Tennessee. Division of Geology
12
United States. Agency for International Development,
12
United States. Army. Corps of Engineers
12
United States. National Aeronautics and Space Administration
12
Addicott, Warren O.,
11
Armstrong, Augustus K.,
11
California. Department of Water Resources
11
Cogan, Dan,
11
Gilluly, James, 1896-1980,
11
Gordon, Mackenzie, 1913-
11
Interior Missouri Basin Field Committee
11
Jerome, Brian A.,
11
Keck, Nina,
11
Kentucky Geological Survey,
11
King, Philip B., 1903-1987,
11
Moffit, Fred H. 1874-1958?,
11
Ransome, Frederick Leslie, 1868-1935,
11
United States. Bureau of Mines,
11
United States. Environmental Protection Agency
11
United States. National Aeronautics and Space Administration,
11
United States. National Park Service,
11
American Association of Petroleum Geologists
10
Bryant, Bruce, 1930-
10
Cressman, Earle Rupert, 1923-
10
Hunt, Charles B. 1906-1997,
10
Interior Missouri Basin Field Committee,
10
Nelson, Willis H. 1920-2010,
10
Smith, Philip S. 1877-1949,
10
United States Antarctic Research Program
10
Bullfrog Films
9
Capps, Stephen R. 1881-1949,
9
Drake, Avery Ala, 1927-
9
Durham, David L., 1925-
9
Geological Survey of Canada
9
Geological Survey of Pakistan
9
Harrison, Jack Edward, 1924-
9
Knowlton, Frank Hall, 1860-1926,
9
Mertie, John Beaver, 1888-1980,
9
Mudge, Melville R., 1921-
9
Staatz, Mortimer Hay, 1918-
9
Tysdal, Russell G.,
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United States. Bureau of Indian Affairs
9
Wilson, Charles William, 1905-
9
Yochelson, Ellis L. 1928-2006,
9
Bedinger, M. S.,
8
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