Willis, C.F., 1915-16, Arizona: Arizona Bureau of Mines Bulletin no. 6, 16 p. Authors Willis, C.F. Citation Arizona Bureau of Mines Bulletin no. 6, 16 p. State AZ Province AL County AL Keywords History Production Copper Lead Zinc Gold Silver Molybdenum Manganese Tungsten Vanadium Coal More Keywords History, Production, Copper, Lead, Zinc, Gold, Silver, Molybdenum, Manganese, Tungsten, Vanadium, Coal, AzGeoBib RefNum 12914
