Wilson, E.D., comp., 1941, Manganese: Arizona Bureau of Mines Circular no. 6, 3 p. Authors Wilson, E.D., comp. Publication Date 1941 Citation Arizona Bureau of Mines Circular no. 6, 3 p. State AZ Province AL BR County AL CH Placenames Mule Mts. Tombstone Hills Keywords Manganese Production More Keywords Manganese, Production, AzGeoBib RefNum 11242