| Location: | Pennington County, South Dakota, United States, North America |
| Lat / long: | 43.87024, -103.39389 |
| dep_id: | 10055651 |
| mrds_id: | SD02257 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Beryllium, Mica |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Beryl, Muscovite |
| gangue: | Microcline, Quartz |
| orebody_fm: | ELONGATE |
| Reporter: | Barari, Rachel A. |
| hrock_type: | Pegmatite |
| arock_unit: | Pegmatite |
| arock_type: | Pegmatite |
| References: |
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