| Lat / long: | 39.95439, -105.21588 |
| Primary: | Tungsten |
| Operation type: | Underground |
| Development status: | Past Producer |
| MAS | 80130220 |
| DEP | 10117382 |
| Reference | {Deposit:: MINE MAP REPO # 401239; DOCKET 1651; DEFENSE MINERALS ADMIN}{Deposit:: OWN/ BOULDER TUNGSTEN MINES INC REF USGS PROF PAPER 223 PL} |
| Reporter | Intermountain Field Operations Center (IFOC) |