| Lat / long: | 40.07329, -105.37939 |
| Primary: | Niobium (Columbium), Feldspar, Beryllium, Mica |
| Ore: | Beryl, Feldspar, Mica |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Producer |
| Host type: | Gneiss |
| MRDS | DC05181 |
| DEP | 10018299 |
| Reference | {Deposit:: USBM MINERAL EXAM. FILE; REPORTS OF ECONOMIC SIGNIFICANCE OF AND PRODUCTION OF CERTAIN MINERAL OCCURRENCES.}{Deposit:: ARGALL, 1949, COLO. SCH. MINES QUART., V. 44, NO. 2, P. 52}{Deposit:: CONSERVATION DIV. RECORD DATA FILES}{Deposit:: CONSV. DIV. COMP. DATE, 1,62} |
| Reporter | Conservation Division Files, Unknown |