| Lat / long: | 40.54815, -122.45029 |
| Primary: | Silver |
| Operation type: | Underground |
| Development status: | Past Producer |
| MRDS | W025239 |
| MAS | 60890147 |
| DEP | 10213553 |
| Reference | CALIF JOUR MINES & GEOL V35 NO2 APR 1939 P172 |
| Reporter | Western Field Operations Center (WFOC) |