| Lat / long: | 41.32484, -123.02112 |
| Tertiary: | Manganese, Silica |
| Other material: | Muscovite, Psilomelane, Quartz, Rhodochrosite, Rhodonite |
| Discovery year: | 1941 |
| Operation type: | Underground |
| Development status: | Past Producer |
| MRDS | M020229 |
| MAS | 60930013 |
| DEP | 10286986 |
| Reference | {Deposit:: TRASK-GEO DESCRIPT MN DEPS OF CAL-CAL.DIV.MINES BUL.152-APRI}{Deposit:: TRENGOVE-RECON OF CAL MN DEPS-USBM.RPT.OF INVEST.5579-1960} |
| Reporter | Niemi |