| Lat / long: | 39.55099, -121.16271 |
| Tertiary: | Manganese |
| Ore: | Psilomelane |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| MRDS | M005556 |
| DEP | 10028533 |
| Reference | CALIF. DIV. OF MINES BULLETIN 152, P. 37 (1950) BULLETIN 125 (1943) P. 10 |
| Reporter | Von Dohlen, E.; Albers, J., Gere, W. |