- Moore, Frank B. (Frank Baker), 1912-3
- Geological Survey (U.S.)2
- Moench, Robert Hadley, 1926-2
- Pomeroy, John S., 1929-2
- Cressman, Earle Rupert, 1923-1
- Dempsey, William J.1
- Trimble, Donald E.1
- Willard, Max Emery, 1914-1
- Willard, Max Emory, 1914-1
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