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Author
- Geological Survey (U.S.)6
- Sable, V. H.6
- Bates, C. E.3
- Detterman, J. S.2
- Hackman, Robert J.2
- Izett, Glen Arthur, 1928-2
- Bergquist, W. E.1
- Cashion, W. B. (William Bryan), 1923-1
- Covington, H. R.1
- Eppinger, R. G.1
- Hemphill, William R. (William Ross), 1930-1
- Kellogg, Karl S.1
- O'Neill, J. Michael1
- Orkild, Paul P.1
- Snyder, George L. (George Leonard), 1927-1
- Taylor, Richard B. (Richard Bartlett)1
- Theobald, P. K. (Paul Kellogg), 1928-1
- Williams, Paul L. (Paul Lincoln), 1932-1
