| Lat / long: | 37.61381, -121.59493 |
| Tertiary: | Manganese |
| Discovery year: | 1942 |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MRDS | M004661 |
| MAS | 60010006 |
| DEP | 10284368 |
| Reference | CALIF JOUR MINES& GEO V 46 NO2 APR 1950 P343 PI 58 |
| Reporter | Western Field Operations Center (WFOC) |