| Lat / long: | 37.45432, -121.51822 |
| Tertiary: | Manganese, Silica |
| Other material: | Chert, Psilomelane, Pyrolusite |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MRDS | M020190 |
| MAS | 60850015 |
| DEP | 10213655 |
| Reference | {Deposit:: TRASK-GEO DESCRIPT MN DEPS OF CAL-CAL.DIV.OF MINES,BUL.152-A}{Deposit:: JENKINS-MN IN CALIF-CAL DIV.OF MINES,BUL.125-DEC 1943}{Deposit:: 17TH RPT OF THE STATE MINERALOGIST-CAL.STATE MINING BUREAU-J} |
| Reporter | Niemi |