| Location: | Pennington County, South Dakota, United States, North America |
| Lat / long: | 43.87635, -103.34889 |
| dep_id: | 10010799 |
| mrds_id: | D004779 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Lithium, Beryllium |
| Minor mineral: | Mica, Talc-Soapstone |
| Trace mineral: | Tantalum, Feldspar |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Amblygonite, Beryl, Lepidolite, Mica, Talc |
| work_type: | Surface/Underground |
| Reporter: | Barari, Rachel A. |
| hrock_unit: | Schist |
| hrock_type: | Schist |
| arock_unit: | Pegmatite |
| arock_type: | Pegmatite |
| References: |
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