Gunnison Hills

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., 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.

Buck, L.I., 1961, Oil and gas possibilities of southeastern Arizona, in Oil, gas and helium in Arizona... its occurrence and potential: Phoenix, Arizona Development Board, p. 22-29.

Bryant, D.L., and McClymonds, N.E., 1961, Permian Concha Limestone and Rainvalley Formation, southeastern Arizona: American Association of Petroleum Geologists Bulletin, v. 45, no. 8, p. 1324-1333.

Blake, W.P., 1899, Huebnerite in Arizona: American Institute of Mining Engineers, Transactions, v. 28, p. 543-546.

Armstrong, A.K., Mamet, B.L., and Repetski, J.E., 1980, The Mississippian System of New Mexico and southern Arizona, in Fouch, T.D., and Magathan, E.R., eds., Paleozoic paleogeography of the west-central United States - Rocky Mountain Paleogeography Symposium 1, Denver, Colo., 1980: Society of Economic Paleontologists and Mineralogists, Rocky Mountain Section, Denver, Colo., p. 82-99.

Armin, R.A., 1985, Red chert-clast conglomerate in the Earp Formation (Pennsylvanian-Permian), southeastern Arizona: Stratigraphy, sedimentology, and tectonic significance: Tucson, University of Arizona, Ph.D. dissertation, 338 p.

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].