| Lat / long: | 38.12462, -119.17267 |
| Tertiary: | Manganese |
| Other material: | Psilomelane |
| Discovery year: | 1939 |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MRDS | M010342 |
| MAS | 60510008 |
| DEP | 10212354 |
| Reference | CALIF. DIV. MINES BULLETIN 152, 1950, P. 152-153. |
| Reporter | Niemi |