- Geological Survey (U.S.)8
- Dyer, William Spafford, 1894-2
- Swezey, C. (Christopher)2
- Trettin, H.P., 1927-2
- Anderson, Sidney B.1
- Bachman, George Odell1
- Caley, J. F.1
- Cooke, H. C.1
- Danilchik, Walter1
- Detterman, Robert L., author1
- Dixon, H. Roberta1
- Harris, Anita G.1
- Lidke, D. J.1
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