| Lat / long: | 37.50411, -121.61183 |
| Tertiary: | Coal, Manganese |
| Discovery year: | 1918 |
| Operation type: | Underground |
| Development status: | Past Producer |
| MRDS | M004679 |
| MAS | 60010025 |
| DEP | 10259770 |
| Reference | {Deposit:: CALIF JOUR MINES& GEO V 46 NO2 P340 ,PL 58}{Deposit:: BULL. 125, P.98, BULL. 152, P.19-20; BULL. 140, PL. 1, (GE} |
| Reporter | Western Field Operations Center (WFOC) |