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Author/Creator
- Geological Survey (U.S.)12
- Brooks, William E.2
- Davidson, David F. (David Francis), 1923-2
- Foose, M. P.2
- Kistler, Ronald Wayne, 1931-2
- Page, Norman J.2
- Powers, Howard A.2
- Ross, Donald C. (Donald Clarence), 1924-2
- Thompson, C. E. (Charles Emmet), 1931-2
- Washington, Henry S. (Henry Stephens), 1867-19342
- Elston, Donald Parker, 1926-1
- Hunt, Charles B. (Charles Butler), 1906-19971
- Ransome, F. L. (Frederick Leslie), 1868-19351
- Rittmann, Alfred, 1893-19801
- Roth, Justus, 1818-18921
- Waters, Aaron C. (Aaron Clement), 1905-19911