- Geological Survey (U.S.)6
- Alvord, Donald C. (Donald Clayton), 1922-4
- Rice, Charles L.4
- Outerbridge, William F.2
- Barr, J. L.1
- Huddle, John Warfield, 1907-1
- Jenkins, Evan Cramer, 1931-1
- Shamburger, Victor M.1
- Wolcott, Don E.1
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