| Lat / long: | 37.7588, -121.66853 |
| Tertiary: | Manganese |
| Ore: | Psilomelane |
| Gangue: | Pyrolusite |
| Operation type: | Unknown |
| Deposit type: | Residual |
| Production size: | None |
| Development status: | Occurrence |
| MRDS | M004651 |
| DEP | 10027960 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEOL. V. 46, NO. 2, P. 344, PL. 58}{Deposit:: DOM BULL. 125, P.98}{Deposit:: BULL. 152, P.20} |
| Reporter | Gere, W., Von Dohlen, E.; Albers, J. |