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Author
- Geological Survey (U.S.)7
- Johnson, William D., Jr.3
- Kehn, Thomas M.3
- Smith, Avery E.2
- Amos, Dewey Harold, 1925-1
- Fairer, G. M.1
- La Forge, Laurence, 1871-19541
- Nemickas, Bronius1
- Norris, Ronald L. (Ronald Lee)1
- Palmer, James Edward1
- Todd, J. E. (James Edward), 1846-19221
- United States. Bureau of Land Management, cartographer1
- Walker, George Walton, 1921-1
