| Lat / long: | 38.4718, -120.74522 |
| Tertiary: | Manganese |
| Discovery year: | 1942 |
| Operation type: | Surface |
| Development status: | Past Producer |
| MRDS | M005155 |
| MAS | 60050008 |
| DEP | 10259784 |
| Reference | {Deposit:: CAL JOUR MINES AND GEOL V 50 NO 1 JAN 1954 P 202 269}{Deposit:: 23D REP OF STATE MINERALOGIST P189} |
| Reporter | Western Field Operations Center (WFOC) |