| Lat / long: | 43.26304, -108.42602 |
| Primary: | Pumice |
| Operation type: | Unknown |
| Development status: | Occurrence |
| MAS | 560131174 |
| DEP | 10230573 |
| Reference | {Deposit:: VOLCANIC ASH OUTCROPS OUT ALONG WESTERN EDGE OF A GRAVEL}{Deposit:: TOPPED BUTTE AVG 5FT THICK (2-7FT) OVERBURDEN IS SAND & GRAV}{Deposit:: EL FROM 10-30FT THICK}{Deposit:: WYO GEOL SURV BULL 50 1966 P237} |
| Reporter | South Dakota School of Mines |