‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582.
Schrader, F.C. (1917), The geologic distribution and genesis of the metals in the Santa Rita-Patagonia Mountains, Arizona, Economic Geology: 12: 237-269.
Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 60, 97.
Drewes, H.D. (1966) Road log for southern Santa Rita Mountains, Santa Cruz and Pima Counties, Arizona: U.S. Geological Survey Open-File Report [unnumbered], 6 p.
Drewes, H.D. (1967) A geochemical anomaly of base metals and silver in the southern Santa Rita Mountains, Santa Cruz County, Arizona, in Geological Survey research 1967: U.S. Geological Survey Professional Paper 575-D, p. D176-D182.
Drewes, H.D., and Finnell, T.L. (1968) Mesozoic stratigraphy and Laramide tectonics of part of the Santa Rita and Empire Mountains, southeast of Tucson, Arizona, Field Trip II, in Titley, S.R., ed., Southern Arizona Guidebook III: Arizona Geological Society, p. 315-324.
Drewes, H.D. (1968) New and revised stratigraphic names in the Santa Rita Mountains of southeastern Arizona: U.S. Geological Survey Bulletin 1274-C, 15 p.
Drewes, H.D. (1969) The Laramide orogeny of Arizona southeast of Tucson [abs.], in Abstracts for 1968: Geological Society of America Special Paper 121, p. 501-502.
Drewes, H.D. (1971) Mesozoic stratigraphy of the Santa Rita Mountains, southeast of Tucson, Arizona: U.S. Geological Survey Professional Paper 658-C, 81 p.
Drewes, H.D. (1971) Geologic map of the Mount Wrightson quadrangle, southeast of Tucson, Santa Cruz and Pima Counties, Arizona: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-614, 1 sheet, scale 1:48,000.
Drewes, H.D. (1972) Cenozoic rocks of the Santa Rita Mountains, southeast of Tucson, Arizona: U.S. Geological Survey Professional Paper 746, 66 p.
Drewes, H.D. (1972) Structural geology of the Santa Rita Mountains, southeast of Tucson, Arizona: U.S. Geological Survey Professional Paper 748, 35 p., scale 1:12,000, 4 sheets.
Drewes, H.D. (1973) Geochemical reconnaissance of the Santa Rita Mountains, southeast of Tucson, Arizona: U.S. Geological Survey Bulletin 1365, 67 p., 2 sheets, scale 1:24,000.
Drewes, H.D. (1976) Plutonic rocks of the Santa Rita Mountains, southeast of Tucson, Arizona: U.S. Geological Survey Professional Paper 915, 75 p.
Drewes, Harald (1979) Preliminary tectonic map of southeast Arizona: U.S. Geological Survey Open-File Report 79-0775, 2 sheets, scale 1:125,000.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 215, 235, 242, 341, 378, 431.
