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Author
- Marshall, C. H.16
- Geological Survey (U.S.)11
- Hackman, Robert J.11
- Detterman, J. S.9
- Pillmore, C. L., 1930-7
- Orkild, Paul P.6
- Minard, James P.5
- McQueen, Kathleen3
- Olson, A. B.3
- Sable, V. H.3
- Hemphill, William R. (William Ross), 1930-2
- Lindvall, Robert M. (Robert Marcus), 1916-2
- Miller, Calvin F.2
- Patton, William Wallace, 1923-2
- Ray, Richard G. (Richard Godfrey), 1920-2
- Blake, D. A. W.1
- Brunnacker, K., geologist1
- Colton, George Willis, 1920-1
- Colton, Roger B. (Roger Burnham), 1924-1
- Condon, W. H. (William H.)1
