Sphalerite from Blue Eagle and Exposed Reef group, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
USA | |
| (n.d.) ADMMR Mines Database, Arizona Geological Survey. Ref.: Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 57 (Table 4) Schrader (1915): 257-258 |
MRDS database Dep. ID file #10048345, MRDS ID #M899932. |