| Lat / long: | 39.4457, -122.59025 |
| Primary: | Manganese |
| Ore: | Psilomelane, Pyrolusite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| MRDS | M008651 |
| DEP | 10030499 |
| Reference | {Deposit:: CALIF. V. 48, NO. 1, P. 50; B. 152, P. 57; V. 39, NO. 4, P. 558}{Deposit:: MF-279}{Deposit:: D.O.M. BULL. 152 1950 P. 57} |
| Reporter | Von Dohlen, E.; Albers, J., Gere, W. |