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Author
- Geological Survey (U.S.)27
- Detterman, J. S.11
- Hackman, Robert J.6
- Orkild, Paul P.4
- Roehler, Henry W.4
- Ray, Richard G. (Richard Godfrey), 1920-2
- Reed, John Calvin, 1930-2
- Cashion, W. B. (William Bryan), 1923-1
- Kent, Bion H. (Bion Huntley), 1925-1
- Platt, J. N.1
- Sargent, Kenneth A.1
- Williams, Paul L. (Paul Lincoln), 1932-1
