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Dempsey, W.J., and Hill, M.E., 1963, Aeromagnetic map of parts of the Willcox and Luzena quadrangles, Cochise County, Arizona: U.S. Geological Survey Geophysical Investigations Map GP-0418, 1 sheet, scale 1:62,500.

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Wilson, R.P., and White, N.D., 1976, Maps showing ground-water conditions in the San Simon area, Cochise and Graham Counties, and in Hidalgo County, New Mexico - 1975: U.S. Geological Survey Water-Resources Investigations 76-0089 Open-File Report, 2 sheets, scale 1:125,000.

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Harris, R.C., 1999, A bibliography and review of water quality studies in the upper Gila River watershed, Arizona: Arizona Geological Survey Open-File Report 99-25, 67 p.