Creasey, S.C., and Krieger, M.H., 1978, Galiuro volcanics, Pinal, Graham, and Cochise Counties, Arizona: U.S. Geological Survey Journal of Research, v. 6, no. 1, p. 115-131.
Cooper, J.R., and Silver, L.T., 1964, Geology and ore deposits of the Dragoon quadrangle, Cochise County, Arizona: U.S. Geological Survey Professional Paper 416, 196 p., 13 sheets, scales 1:600, 1:1,200, 1:2,400, 1:4,800, 1:12,000, 1:31,680, 1:125,000.
Cooper, J.R., 1961, Turkey-track porphyry--a possible guide for correlation of Miocene rocks in southeastern Arizona: Arizona Geological Society Digest, v. 4, p. 17-33.
Cooper, J.R., 1960, Reconnaissance map of the Willcox, Fisher Hills, Cochise, and Dos Cabezas quadrangles, Cochise and Graham Counties, Arizona: U.S. Geological Survey Mineral Investigations Field Studies Map MF-231, 1 sheet, scale 1:62,500.
Cooper, J.R., 1959, Some geologic features of the Dragoon quadrangle, Arizona, in Heindl, L.A., ed., Southern Arizona Guidebook II, combined with the 2nd annual Arizona Geological Society Digest: Arizona Geological Society, p. 139-145.
Conley, J.N., and Koester, E.A., 1974, Well location map, Graham and Greenlee Co., Arizona: Arizona Oil and Gas Conservation Commission, County Well Location Map 8, 1 sheet, scale 1:500,000 [superseded by Conley, J.N., Koester, E.A., and Rauzi, S.L., 1995, Arizona Geological Survey Oil and Gas Publication OG-10].
Arizona Bureau of Mines, 1959, Geologic map of Cochise County, Arizona: Arizona Bureau of Mines, 1 sheet, scale 1;375,000 [now available as Arizona Geological Survey Map M-3-1].