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Author
- Geological Survey (U.S.)6
- Cater, Fred W. (Fred William), 1912-4
- Hackman, Robert J.4
- Dickinson, R. G. (Robert G.)2
- Marshall, C. H.2
- McKay, E. J.2
- Hail, William James, 1922-1
- Hansen, Wallace R., 1920-1
- United States. Bureau of Land Management, cartographer1
- Williams, Paul L. (Paul Lincoln), 1932-1
- Withington, C. F. (Charles Francis), 1920-1
