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Author
- Geological Survey (U.S.)12
- Greene, Robert C.5
- Geological Survey of Alabama3
- Black, Douglas F. B.2
- Keith, Arthur2
- Simmons, George Clarke, 1923-2
- Hadley, Jarvis B. (Jarvis Bardwell), 1909-1
- Kellogg, Karl S.1
- Kuntz, Mel A.1
- Malmberg, Glenn T. (Glenn Thomas), 1925-1
- Peale, A. C. (Albert Charles), 1849-19141
- Sanford, Thomas H.1
- Tysdal, Russell G.1
- Udden, Johan August, 1859-19321
- Weir, Gordon W. (Gordon Whitney), 1922-20111
