U.S. Bureau of Mines, 1945, Apex property, Coconino County, Ariz.: U.S. Bureau of Mines War Minerals Report 436, 8 p. Authors U.S. Bureau of Mines Publication Date 1945 Citation U.S. Bureau of Mines War Minerals Report 436, 8 p. State AZ Province CP County CN Placenames Kaibab Plateau Keywords Copper Gold Silver History Production Mineralization More Keywords Copper, Gold, Silver, History, Production, Mineralization, AzGeoBib RefNum 14672