Skarn

Peterson, N.P., and Swanson, R.W., 1956, Geology of the Christmas copper mine, Gila County, Arizona: U.S. Geological Survey Bulletin 1027-H, p. 351-373, 11 sheets, scales 1:1,800, 1:3,600.

Peterson, N.P., and Swanson, R.W., 1944, The Christmas copper mine, Gila County, Arizona: U.S. Geological Survey Open-File Report [unnumbered], 40 p.

Peterson, N.P., and Creasey, S.C., 1943, Some copper deposits in the Old Hat mining district, Pima County, Arizona: U.S. Geological Survey Open-File Report [unnumbered], 13 p., 13 sheets, scales 1:360, 1:600, and 1:1,200.

Peterson, N.P., 1962, Geology and ore deposits of the Globe-Miami district, Arizona: U.S. Geological Survey Professional Paper 342, 151 p., 8 sheets, scale 1:1,200, 1:4,800, 1:12,000, 1:24,000.

Peterson, J.A., Cox, D.P., and Gray, F., 1987, Mineral resource assessment of the Ajo and Lukeville 1o by 2o quadrangles, Arizona: U.S. Geological Survey Miscellaneous Field Studies Map MF-1834-B, 3 sheets, scale 1:250,000.

Peterson, J.A., Cox, D.P., and Gray, F., 1985, Mineral resource assessment of the Ajo and Lukeville 1o by 2o quadrangles, Arizona: U.S. Geological Survey Open-File Report 85-0527, 79 p., 3 sheets, scale 1:250,000.

Peterson, J.A., and Tosdal, R.M., 1986, Mineral occurrence map and tabulation of geologic, commodity, and production data, Ajo and Lukeville 1o by 2o quadrangles, southwestern Arizona: U.S. Geological Survey Miscellaneous Field Studies Map MF-1834-A, 1 sheet, scale 1:250,000.

Perry, D.V., 1969, Skarn genesis at the Christmas mine, Gila County, Arizona: Economic Geology, v. 64, no. 3, p. 255-270.

Perry, D.V., 1968, Genesis of the contact rocks at the Christmas mine, Gila County, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 229 p.

Perry, D.V., 1964, Genesis of the contact rocks at the Abril mine, Cochise County, Arizona: Tucson, University of Arizona, M.S. thesis, 97 p.