| Lat / long: | 38.72958, -122.76187 |
| Primary: | Manganese |
| Other material: | Psilomelane, Pyrolusite |
| Operation type: | Surface |
| Development status: | Past Producer |
| MAS | 60970243 |
| DEP | 10287374 |
| Reference | BAILEY E H AND HARDEN D R 1975 USGS MINERAL RESOURCE MAP I-9 |
| Reporter | Deino, Al |