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Author
- Geological Survey (U.S.)9
- Pierce, William Gamewell, 1904-9
- Roberts, Albert Eugene, 1921-6
- Prostka, Harold J.2
- Skipp, Betty, 1928-2
- Wobus, Reinhard A.2
- Barker, Fred, 1928-1
- Elliott, James E.1
- Epis, Rudy C., 1930-1
- Hague, A. (Arnold), 1840-19171
- Iddings, Joseph Paxson, 1857-19201
- McGrew, Laura W. (Laura Wenger), 1921-1
- Peale, A. C. (Albert Charles), 1849-19141
- Richmond, Gerald Martin, 1914-1
- Rohrer, Willis L.1
- Segerstrom, Kenneth, 1909-1
- United States. Bureau of Land Management, cartographer1
- Weed, Walter Harvey, 1862-19441
- Wyant, Donald G. (Donald Gray), 1918-1
