- Geological Survey (U.S.)6
- Campbell, Marius R. (Marius Robinson), 1858-19402
- Csejtey, Béla, 1934-2
- Froelich, A. J. (Albert Joseph), 1929-2
- Maughan, Edwin K., 1926-19952
- Miller, R. C., cartographer1
- Miller, Ralph L. (Ralph LeRoy), 1909-19911
- Pipiringos, G. N. (George Nicholas), 1918-1
- Prostka, Harold J.1
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