| Lat / long: | 39.55236, -123.1705 |
| Tertiary: | Manganese |
| Discovery year: | 1917 |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MRDS | M010052 |
| MAS | 60450013 |
| DEP | 10187898 |
| Reference | {Deposit:: CALIF JOUR MINES AND GEOL V49 NO4 OCT 1953 P389}{Deposit:: ORE RUNS FROM 5 TO 10 PERCENT MANGANESE-GENERALLY LESS THAN}{Deposit:: SILICA CONTENT IS ABOUT 40 PERCENT} |
| Reporter | Western Field Operations Center (WFOC) |