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Author
- Goldsmith, Richard, 1918-8
- Dixon, H. Roberta3
- Feininger, Tomas3
- Harwood, David S.2
- Snyder, George L. (George Leonard), 1927-2
- Stone, Byron D.2
- Geological Survey (U.S.)1
- Hanshaw, Penelope M.1
- Moore, George E.1
- O'Leary, Dennis W.1
- Pessl, Fred1
- Schafer, John P. (John Phillip), 1922-1
- Upson, J. E. (Joseph Edwin), 1910-1
- Walling, Henry Francis, 1825-18881