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- Geological Survey (U.S.)3
- Neuerburg, George J.2
- Baker, Arthur A. (Arthur Alan), 1897-19961
- Bergendahl, M. H. (Maximilian Hilmar), 1921-1
- Breckenridge Mining and Cyaniding Company, publisher1
- Bromfield, Calvin Stanton, 1923-1
- Crittenden, Max D.1
- Emmons, Samuel Franklin, 1841-19111
- Kellogg, Karl S.1
- Teal, James1
- Tweto, Ogden, 1912-19831
- United States. Bureau of Land Management, cartographer1