| Location: | Pennington County, South Dakota, United States, North America |
| Lat / long: | 43.83329, -103.66724 |
| dep_id: | 10090667 |
| mrds_id: | D002416 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Beryllium, Mica |
| Operation type: | Unknown |
| Production size: | No production occurred |
| Development status: | Occurrence |
| Reporter: | Hasler, J. William |
| hrock_type: | Schist |