Mineral District

De Kalb, Courtenay, 1918, Ajo Copper Mine--II: Mining and Scientific Press, v. 116, January 26, 1918, p. 153-156.

Dale, V.B., 1962, Mining, milling, and smelting methods, San Manuel Copper Corp., Pinal County, Arizona: U.S. Bureau of Mines Information Circular I.C. 8104, 145 p.

Tolman, C.F., Jr., 1909, The southern Arizona copper fields [Part I]: Mining and Scientific Press, v. 99, no. 11, p. 356-360.

Tolman, C.F., Jr., 1909, The southern Arizona copper fields [Part II]: Mining and Scientific Press, v. 99, no. 12, p. 390-393.

Tolman, C.F., Jr., 1909, Disseminated chalcocite deposits at Ray, Arizona: Mining and Scientific Press, v. 99, no. 19, p. 622-624.

Richard, K.E., and Courtright, J.H., 1954, Structure and mineralization at Silver Bell, Ariz.: American Institute of Mining and Metallurgical Engineers, Transactions, v. 199, p. 1095-1099.

Brooks, W.E., and Drewes, H.D., 1991, Analytical results and sample locality map from the Pedregosa Mountains, Arizona [Appendix to Geologic map and cross sections of the Pedregosa Mountains, Cochise County, Arizona, U.S. Geological Survey Map I-1827]: U.S. Geological Survey Open-File Report 91-0617, 14 p., 1 sheet, scale 1:48,000.

Heinrichs, W.E., Jr., 1976, Pima District, Arizona - An historical and economic perspective [abs.]: Economic Geology, v. 71, no. 3, p. 700.

Bikerman, Michael, 1966, Isotopic studies in the Roskruge Mountains, Pima County, Arizona, App. A-II, in Damon, P.E., Correlation and chronology of ore deposits and volcanic rocks, Annual Progress Report no. COO-689-60, Contract AT(11-1)-689 to Research Division, U.S. Atomic Energy Commission: Tucson, University of Arizona, Geochronology Laboratories, 14 p.

Welty, J.W., 1989, Additions to bibliographies for metallic mineral districts in Arizona: Arizona Geological Survey Open-File Report 89-09, 25 p.