- Geological Survey (U.S.)11
- Robinson, Paul T.2
- Bryant, Bruce, 1930-1
- Gable, Dolores J., 1922-1
- Machette, Michael N.1
- Miller, Robert D. (Robert David), 1922-1
- Sheridan, Douglas M., 1921-1
- Smith, J. Hiram (James Hiram), 1916-1
- Taylor, Richard B. (Richard Bartlett)1
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