| Lat / long: | 42.60134, -108.2904 |
| Primary: | Pumice |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MAS | 560131200 |
| DEP | 10205923 |
| Reference | {Deposit:: WHITE RIVER FM CONTAINS THIN BEDS OF VITRIC TUFF SUITABLE}{Deposit:: FOR USE AS ABRASIVE PUMICITE}{Deposit:: WYO GEOL SURV BULL 50 1966 P 156} |
| Reporter | South Dakota School of Mines |