| Lat / long: | 43.73329, -103.50056 |
| Primary: | Beryllium, Niobium (Columbium), Tantalum, Mica |
| Ore: | Beryl, Lepidolite, Mica, Spodumene |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host type: | Pegmatite |
| MRDS | D002770 |
| DEP | 10009679 |
| Reference | USGS PROF PAPER 247 PAGE 66, 70 & 7 |
| Reporter | Hasler, J. William |