Pyrite from Montana Mine group, Ruby, Oro Blanco Mining District (Ruby Mining District), Oro Blanco Mountains, Santa Cruz County, Arizona, USA
USA | |
| Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 65 (Table 4). |
MRDS database Dep. ID file #10207565, MRDS ID #M050255, MAS ID #0040230070. |