| Lat / long: | 40.39845, -123.69223 |
| Primary: | Manganese |
| Ore: | Rhodochrosite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host rock: | Franciscan Complex |
| Host type: | Chert |
| MRDS | M008735 |
| DEP | 10030547 |
| Reference | {Deposit:: CALIF. JOUR. MINES & GEOLOGY, V. 37, NO. 4, OCT. 1941, P. 519}{Deposit:: D.O.M. BULL. 152, 1950, PP. 64-65}{Deposit:: USBM RI 5579, P. 6, PL. 1} |
| Reporter | Gere, W., Von Dohlen, E.; Albers, J. |