| Lat / long: | 37.40052, -121.46412 |
| Primary: | Manganese |
| Operation type: | Surface |
| Development status: | Past Producer |
| MRDS | W025099 |
| MAS | 60850233 |
| DEP | 10237863 |
| Reference | CAL. JOUR. MINES & GEOL V. 46, NO. 2, PP.39, 42, & 48. |
| Reporter | Western Field Operations Center (WFOC) |