- Geological Survey (U.S.)32
- Denson, N. M. (Norman MacLaren), 1914-3
- Englund, Kenneth John, 1923-2
- Gibbons, Anthony B.2
- Hadley, R. F. (Richard Frederick), 1924-1
- Keith, Arthur1
- King, N. J. (Norman Julius), 1925-1
- Kohut, Joseph J.1
- Luft, Stanley Jeremie, 1927-1
- Shown, L. M. (Lynn M.)1
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