Engineering and Mining Journal, 1962, Asarco's Mission: Engineering and Mining Journal, v. 163, no. 1, p. 70-79. Authors Engineering and Mining Journal Publication Date 1962 Citation Engineering and Mining Journal, v. 163, no. 1, p. 70-79. State AZ Province BR County PM Placenames Sierrita Mts. Keywords Mineral District History Porphyry Copper Mining Engineering Mineralization More Keywords Mineral District, History, Porphyry Copper, Mining Engineering, Mineralization, AzGeoBib RefNum 3088