| Lat / long: | 37.50991, -121.58432 |
| Tertiary: | Manganese |
| Discovery year: | 1916 |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| MRDS | M004925 |
| MAS | 60010019 |
| DEP | 10162713 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEO. V. 46, NO.2, APRIL 1950, P.339, PL}{Deposit:: CJMG 46 NO2 P340 PI 58}{Deposit:: DOM BULL 152 P23 BULL 125 P100 BULL 140 P66 PI 1 25TH RE} |
| Reporter | Western Field Operations Center (WFOC) |