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.
History
Economic geology of the Big Horn Mountains of west-central Arizona
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.
Ives and Newberry, 1861, first geology of Grand Canyon [abs.]
Alexander, N., 1977, Ives and Newberry, 1861, first geology of Grand Canyon [abs.]: Geological Society of America Abstracts with Programs, v. 9, p. 875.
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.
The 1852 Fort Yuma earthquake, two additional accounts
Agnew, D.C., 1978, The 1852 Fort Yuma earthquake, two additional accounts: Seismological Society of America, Bulletin, v. 68, p. 1761-1762.
Ninety years of Glen Canyon archaeology, 1869-1959, A brief historical sketch and bibliography of archaeological investigations from J. W. Powell to the Glen Canyon Project
Adams, W.Y., 1960, Ninety years of Glen Canyon archaeology, 1869-1959, A brief historical sketch and bibliography of archaeological investigations from J. W. Powell to the Glen Canyon Project: Flagstaff, Museum of Northern Arizona Bulletin no. 33, Glen Canyon Series no. 2, 29 p., 3 sheets, scale 1:360,000.
