| Lat / long: | 40.05048, -120.88854 |
| Tertiary: | Iron, Manganese, Silica |
| Other material: | Chert, Psilomelane, Pyrolusite |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| First production started: | 1918 |
| MRDS | W024496 |
| MAS | 60630011 |
| DEP | 10116051 |
| Reference | {Deposit:: CDMG BULLETINS: #152,TRASK,1950,#125,1943, #76,1918}{Deposit:: USBM R.I #5579,TRENGROVE,1960} |
| Reporter | Deino, Al |