| Location: | Custer County, South Dakota, United States, North America |
| Lat / long: | 43.76302, -103.55278 |
| dep_id: | 10011984 |
| mrds_id: | D007204 |
| Commodity type: | nonmetallic |
| Major mineral: | Mica |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Muscovite |
| gangue: | Albite, Amblygonite, Quartz, Triphylite |
| orebody_fm: | IRREGULAR |
| work_type: | Underground |
| Reporter: | Barari, Rachel A. |
| hrock_type: | Schist |
| arock_type: | Pegmatite |
| tectonic: | Southern Black Hills |
| Year first produced: | 1880 |
| References: |
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