| Lat / long: | 39.97388, -105.52503 |
| Primary: | Tungsten |
| Ore: | Ferberite |
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | Yes |
| Development status: | Producer |
| First production started: | 1905 |
| Host type: | Pegmatite |
| Associated rock: | Idaho Springs;Idaho Springs |
| Associated type: | Gneiss |
| Structure: | Reverse Faulting |
| MRDS | D001108 |
| DEP | 10008740 |
| Reference | {Deposit:: LEMMON, D.M., UNPUBLISHED DATA.}{Deposit:: LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.}{Deposit:: COLO. STATE METAL MINING FUND, 1960, TUNGSTEN MINES OF COLORADO.}{Deposit:: LOVERING, TWETO, 1953, GEOLOGY AND ORE DEPOSITS OF THE BOULDER COUNTY TUNGSTEN DISTRICT COLORADO: USGS PROF. PAPER 245.}{Production:: LEMMON, D.M., (UNPUBLISHED DATA)} |
| Reporter | Melton, Greg, Elliott, James E., Mosier, Dan |