- Chaplin, James R.1
- Denny, Charles Storrow, 1911-1
- Dobrovolny, Ernest, 1912-2
- Erickson, Ralph Leroy, 1923-1
- Geological Survey (U.S.)1
- Perry, E. S., cartographer1
- Phalen, W. C. (William Clifton), 1877-19491
- Sharps, Joseph A.1
- Sheppard, Richard A.3
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