U.S. Bureau of Mines, 1944, Three 'R' deposit: U.S. Bureau of Mines Mineral Property File 04-21.274, 2 p. Authors U.S. Bureau of Mines Publication Date 1944 Citation U.S. Bureau of Mines Mineral Property File 04-21.274, 2 p. State AZ Province BR County SC Placenames Patagonia Mts. Keywords Mineral District Mineralization Porphyry Copper Silver More Keywords Mineral District, Mineralization, Porphyry Copper, Silver, AzGeoBib RefNum 10349