Meeves, H.C., Hatter, C.M., Salsbury, M.H., Konselman, A.S., and Shannon, S.S., Jr., 1966, Reconnaissance of beryllium-bearing pegmatite deposits in six western states: U.S. Bureau of Mines Information Circular I.C. 8298, 34 p.
Meeves, H.C., 1966, Nonpegmatitic beryllium occurrences in Arizona, Colorado, New Mexico, Utah, and four adjacent states: U.S. Bureau of Mines Report of Investigations R.I. 6828, 68 p.
McCullough, E.J., Jr., 1974, Department of Geosciences, College of Earth Sciences, University of Arizona, in Geology at Arizona's universities: Fieldnotes [Arizona Bureau of Mines], v. 4, no. 4, p. 2, 3-4, 12-14.
May, R.T., Smith, E.S., Dickson, R.E., and Nystrom, R.J., 1982, National Uranium Resource Evaluation, Douglas quadrangle, Arizona and New Mexico: U.S. Department of Energy Report PGJ/F-118(82), 78 p., 4 microfiche, 22 sheets, scale 1:250,000.
Marvin, R.F., Naeser, C.W., and Mehnert, H.H., 1978, Tabulation of radiometric ages--including unpublished K-Ar and fission-track ages--for rocks in southeastern Arizona and southwestern New Mexico, in Callender, J.F., Wilt, J.C., and Clemons, R.E., eds., Land of Cochise, southeastern Arizona: New Mexico Geological Society 29th Field Conference Guidebook, p. 243-252.
Marjaniemi, D.K., 1969, Geologic history of an ash-flow sequence and its source area in the Basin and Range province of southeastern Arizona: Tucson, University of Arizona, Ph.D. dissertation, 176 p., 2 sheets, scale 1:125,000.
Mann, L.J., and English, C.S., 1980, Maps showing ground-water conditions in the Douglas Basin area, Cochise County, Arizona - 1978: U.S. Geological Survey Water-Resources Investigations Open-File Report 80-0700, 3 sheets, scale 1:250,000.
Machette, M.N., Personius, S.F., Menges, C.M., and Pearthree, P.A., 1986, Map showing Quaternary and Pliocene faults in the Silver City 1o x 2o quadrangle and the Douglas 1o x 2o quadrangle, southeastern Arizona and southwestern New Mexico: U.S. Geological Survey Miscellaneous Field Studies Map MF-1465-C, 20 p., 1 sheet, scale 1:250,000.
Loring, W.B., 1947, Geology and ore deposits of the Mountain Queen area, northern Swisshelm Mountains, Arizona: Tucson, University of Arizona, M.S. thesis, 65 p.
Loring, A.K., 1976, The age of basin-range faulting in Arizona, in Wilt, J.C., and Jenney, J.P., eds., Tectonic digest: Arizona Geological Society Digest, v. 10, p. 229-257.