| Lat / long: | 39.9811, -105.48198 |
| Primary: | Tungsten |
| Ore: | Ferberite |
| Operation type: | Unknown |
| Production size: | Large |
| Development status: | Producer |
| Host type: | Gneiss,Pegmatite |
| MRDS | D003220 |
| DEP | 10009929 |
| Reference | USGS PROF. PAPER 24 |
| Reporter | Melton, Greg, Hasler, J. William |