| Lat / long: | 40.40014, -123.69642 |
| Tertiary: | Manganese |
| Discovery year: | 1917 |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MRDS | M008735 |
| MAS | 60230004 |
| DEP | 10115397 |
| Reference | {Deposit:: MAS BACKUP FILE WFOC}{Deposit:: 742 TONS PRODUCED IN 1920.} |
| Reporter | Western Field Operations Center (WFOC) |