| Location: | Boulder County, Colorado, United States, North America |
| Lat / long: | 39.9811, -105.48198 |
| dep_id: | 10009929 |
| mrds_id: | D003220 |
| Commodity type: | metallic |
| Major mineral: | Tungsten |
| Operation type: | Unknown |
| Production size: | Large ammount of material produced |
| Development status: | Producer |
| ore: | Ferberite |
| Reporter: | Melton, Greg, Hasler, J. William |
| hrock_type: | Gneiss,Pegmatite |
| References: |
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