Freibergite Subgroup from Santa Cruz County, Arizona, USA
USA | |
| MRDS database Dep. ID file #10048349, MRDS ID #M899936. |
| (n.d.) ADMMR Mines Database, Arizona Geological Survey. Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 59 (Table 4) Schrader (1915): 253-254 |
(n.d.) ADMMR Mines Database, Arizona Geological Survey. Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 60 (Table 4) Schrader (1915): 248-251 |