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Author/Creator
- Geological Survey (U.S.)18
- Denson, N. M. (Norman MacLaren), 1914-12
- Gibson, M. L.6
- Sims, G. L.6
- Pierson, Charles Thomas, 1918-4
- Pierce, Frances Wahl3
- Crysdale, Bonnie L.2
- Johnson, Edward A. (Edward Allison), 1940-2
- Colton, Roger B. (Roger Burnham), 1924-1
- Ellis, Margaret S. (Margaret Stamm), 1950-1
- Grundy, W. D.1
- Gundy, W. D.1
- Hardie, John K.1
- McLellan, Marguerite W.1
- Molnia, Carol L.1