| Lat / long: | 43.68302, -110.05107 |
| Primary: | Pumice |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MAS | 560131241 |
| DEP | 10254781 |
| Reference | {Deposit:: LOCATED ON LAVA MTN-UNCONSOLIDATED DEPOSIT OF SCORIA AND ASH}{Deposit:: 500 FT THICK COVERS AREA OF ABOUT 1SQ MILE. RECENT DEPOSIT}{Deposit:: LOCATED NEAR US HIGHWAY NO 287}{Deposit:: WYO GEOL SURV BULL 50 1966 P237} |
| Reporter | South Dakota School of Mines |