Worcester, A.W., 1931, Allison mine of El Oro Mining Company: Mining Journal, v. 15, no. 3, p. 5-6. Authors Worcester, A.W. Publication Date 1931 Citation Mining Journal, v. 15, no. 3, p. 5-6. State AZ Province BR County PM Placenames Baboquivari Mts. Baboquivari Valley Keywords Mineral District Gold History Production Subsurface Mineralization More Keywords Mineral District, Gold, History, Production, Subsurface, Mineralization, AzGeoBib RefNum 11438
