| Lat / long: | 40.93125, -122.02249 |
| Tertiary: | Manganese |
| Discovery year: | 1918 |
| Operation type: | Unknown |
| Development status: | Prospect |
| MRDS | W025209 |
| MAS | 60890003 |
| DEP | 10286378 |
| Reference | REPT. OF STATE MINERALOGIST XXII PP. 129-130 |
| Reporter | Western Field Operations Center (WFOC) |