Mining World, 1960, Kennecott sinks shaft to develop Safford copper deposits: Mining World [San Francisco], v. 22, no. 10, p. 29. Authors Mining World Publication Date 1960 Citation Mining World [San Francisco], v. 22, no. 10, p. 29. State AZ Province BR County GM Placenames Gila Mts.(GM) Keywords Mineral District Porphyry Copper More Keywords Mineral District, Porphyry Copper, AzGeoBib RefNum 7099
