Allen, G.B., and Hunt, W., 1988, The Tonopah-Belmont mine, Maricopa County, Arizona: Mineralogical Record, v. 19, p. 139-144, 207.
Copper
Keywords Group
The Tonopah-Belmont mine, Maricopa County, Arizona
Economic geology of the Big Horn Mountains of west-central Arizona
Allen, G.B., 1985, Economic geology of the Big Horn Mountains of west-central Arizona: Arizona Bureau of Geology and Mineral Technology Open-File Report 85-17, 140 p.
Ajo enterprise of the New Cornelia Copper Company [two parts]
Allen, A.W., 1922, Ajo enterprise of the New Cornelia Copper Company [two parts]: Engineering and Mining Journal-Press, [Part 1] v. 113, no. 22, p. 952-956, [Part 2] v. 113, no. 23, p. 1003-1008.
Geology of the northern part of the Huachuca Mountains, Arizona
Alexis, C.O., 1949, Geology of the northern part of the Huachuca Mountains, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 74 p., 6 sheets, scale 1:31,680.
Geology of the Lead Mountain area, Pima County, Arizona
Alexis, C.O., 1939, Geology of the Lead Mountain area, Pima County, Arizona: Tucson, University of Arizona, M.S. thesis, 60 p.
A brief history of the United Verde open pit, Jerome, Arizona
Alenius, E.M.J., 1968, A brief history of the United Verde open pit, Jerome, Arizona: Arizona Bureau of Mines Bulletin 178, 34 p.
Methods and costs of stripping and mining at the United Verde open-pit, Jerome, Arizona
Alenius, E.M.J., 1930, Methods and costs of stripping and mining at the United Verde open-pit, Jerome, Arizona: U.S. Bureau of Mines Information Circular I.C. 6248, 35 p.
Geology of the northern Empire Mountains, Arizona
Alberding, H., 1938, Geology of the northern Empire Mountains, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 107 p.
Geochemical prospecting for copper in the northern part of Yuma County, Arizona
Al-Hashimi, A.R.K., 1965, Geochemical prospecting for copper in the northern part of Yuma County, Arizona: Rolla, University of Missouri, M.S. thesis.