| Lat / long: | 41.61374, -121.48025 |
| Primary: | Pumice |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Producer |
| MRDS | W025814 |
| DEP | 10077810 |
| Reference | {Deposit:: CA JOUR MN/GEOL V 43, NO 4, 1947, P 458}{Deposit:: ALSO SECS 25, 26} |
| Reporter | Unknown |