| Lat / long: | 39.02988, -122.50996 |
| Tertiary: | Manganese |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| MRDS | M008914 |
| DEP | 10095094 |
| Reference | MANUAL OF WAR MINERALS OF THE COUNTIES OF ALTA (NORTHERN) CALIFORNIA, COMPILED BY THE STAFF OF ALTA CALIFORNIA, SECOND EDITION, SEPT. 1, 1944, P. 5 |
| Reporter | Gere, W., Killman, K.; Albers, J. |