| Lat / long: | 41.78123, -122.02804 |
| Primary: | Pumice |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Producer |
| MRDS | W025821 |
| DEP | 10111192 |
| Reference | {Deposit:: MESA,IDENTIFICATION NO 04-02666, 11-4-75,PHOENIX,ARIZONA:}{Deposit:: OFF HWY 97 AT HORSETHIEF BUTTE} |
| Reporter | Unknown |