Galena from Esperanza Mine group [old], Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima County, Arizona, USA
USA | |
| (n.d.) ADMMR Mines Database, Arizona Geological Survey. Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 135 (Table 4) |
MRDS database Dep. ID file #10026759, MRDS ID #M000103. |