| Lat / long: | 37.37742, -121.40792 |
| Tertiary: | Manganese, Silica |
| Other material: | Chert, Psilomelane |
| Operation type: | Underground |
| Development status: | Past Producer |
| MRDS | M020264 |
| MAS | 60990008 |
| DEP | 10238680 |
| 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:: USBM RI 5579, P29} |
| Reporter | Niemi |