| Lat / long: | 39.6811, -105.3228 |
| Primary: | Niobium (Columbium), Tantalum, REE, Feldspar |
| Ore: | Euxenite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| MRDS | D001821 |
| DEP | 10009135 |
| Reference | BOOS, M. F., 1954, GENESIS OF PRECAMBRIAN GRANITIC PEGMATITES IN THE DENVER MOUNTAIN PARKS AREA, COLORADO, GEOL. SOC. BULL., V. 65, NO. |
| Reporter | Parker, Raymond L., Spanski, Gregory T. |