| Lat / long: | 38.35545, -122.21161 |
| Primary: | Pumice |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| MRDS | M010681 |
| DEP | 10031592 |
| Reference | {Deposit:: CALIF. JOUR. V. 44, NO. 2, APRIL, 1948, PP. 175-6}{Deposit:: BULL. 174, 1956, P. 31} |
| Reporter | Gere, W. |