World Mining, 1974, Phelps Dodge accelerates Safford underground development: World Mining, v. 27, no. 5, p. 76. Authors World Mining Publication Date 1974 Citation World Mining, v. 27, no. 5, p. 76. State AZ Province BR County GM Placenames Gila Mts.(GM) Keywords Mineral District Porphyry Copper More Keywords Mineral District, Porphyry Copper, AzGeoBib RefNum 11443
