| Lat / long: | 42.08056, -105.3009 | 
| Primary: | Vermiculite | 
| Operation type: | Surface | 
| Development status: | Past Producer | 
| MAS | 560010167 | 
| DEP | 10157429 | 
| Reference | {Deposit:: ANTHOPHYLLITE ALTERED TO VERMICULITE AT CONTACT WITH}{Deposit:: GRANITE PEGMATITE, 5 TONS TAKEN FROM PIT}{Deposit:: MIN RESOURCES OF WYO 1966, WGS BULL 50} | 
| Reporter | South Dakota School of Mines |