 Date: 2011-10-05 02:31:54Economic geology Mining Geology Matter Gold mining Ore Placer mining Gold Porphyry copper deposit Placer deposit Gold mining in the United States Gold mining in Alaska | |  INERAL AND WATER RESOURCES OF ARIZONA 156 Robinson, R. F., and Cook, Annan, 1966, The Safford copper deposit, Lone Sta mining district, Graham County, Arizona, in Titley, S. R., and Hicks, C. Lr
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