- Geological Survey (U.S.)16
- Black, Douglas F. B.3
- Anderson, R. Ernest (Roy Ernest)2
- Simmons, George Clarke, 1923-2
- Blade, Lawrence V. (Lawrence Vernon), 1917-1
- Geological Survey (U.S.), cartographer1
- McDowell, Robert C., 1935-1
- Outerbridge, William F.1
- Poole, F. G. (Forrest Graham), 1929-1
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