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Author
- Geological Survey (U.S.)86
- McKee, Edwin H.4
- Anderson, R. Ernest (Roy Ernest)2
- Brokaw, Arnold Leslie, 1911-2
- Hinrichs, E. Neal2
- Noble, Donald C.2
- Poole, F. G. (Forrest Graham), 1929-2
- Smith, J. Fred (Joe Fred), 1911-2
- Barnes, Harley, 1916-19791
- Ekren, E. B. (Einar Bartlett), 1923-1
- Hardyman, Richard F.1
- Orkild, Paul P.1
- Rogers, C. L. (Cleaves L.), 1916-1
- Silberling, N. J. (Norman John), 1928-1
- Smith, James G., 1939-1
- Swadley, W. C.1
