| Lat / long: | 38.27045, -122.25605 |
| Primary: | Pumice |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| MRDS | M010689 |
| DEP | 10031598 |
| Reference | {Deposit:: CALIF. JOUR. V. 44, NO. 2, APRIL, 1948, PP. 172-3}{Deposit:: BULL. 174, 1956, P. 30} |
| Reporter | Gere, W. |