| References: | Peterson, Nels P. & Swanson (1956), USGS Bull. 1027-H, Geology of the Christmas Copper Mine, Gila Co., AZ: 363; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. of Mines Bull. 153: 9.; Willden, Ronald (1964) Geology of the Christmas quadrangle, Gila and Pinal Counties, Arizona: U.S. Geological Survey Bulletin 1161-E, p. E1-E64; Eastlick, J.T., 1968, Geology of the Christmas mine and vicinity, Banner mining district, Arizona, in Ridge, J.D., ed., Ore Deposits of the United States, 1933?1967: American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc., p. 1191-1210.; Ross, Clyde P. (1925a) Ore deposits of the Saddle Mountain and Banner Mining Districts, Arizona. USGS Bull. 771. |