U.S. Bureau of Mines, 1957, Black Eagle deposit: U.S. Bureau of Mines Mineral Property File 04-41.212, 10 p. Authors U.S. Bureau of Mines Publication Date 1957 Citation U.S. Bureau of Mines Mineral Property File 04-41.212, 10 p. State AZ Province BR County SC Placenames Patagonia Mts. Keywords Mineral District Silver Manganese Mineralization More Keywords Mineral District, Silver, Manganese, Mineralization, AzGeoBib RefNum 10352
