| Lat / long: | 37.52852, -121.37462 |
| Tertiary: | Manganese, Silica |
| Other material: | Chert, Psilomelane, Pyrolusite |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| First production started: | 1941 |
| MRDS | M020283 |
| MAS | 60990031 |
| DEP | 10166324 |
| Reference | {Deposit:: CDMG.BULL 152,1950}{Deposit:: USBM.R.I.5579,1960} |
| Reporter | Deino, Al |