| Location: | Custer County, South Dakota, United States, North America |
| Lat / long: | 43.70496, -103.50389 |
| dep_id: | 10011969 |
| mrds_id: | D007181 |
| Commodity type: | nonmetallic |
| Major mineral: | Feldspar, Mica |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Feldspar, Mica |
| gangue: | Quartz, Tourmaline |
| work_type: | Surface |
| ore_ctrl: | Large Sheet Mica Is Found In Seams |
| Reporter: | Barari, Rachel A. |
| hrock_type: | Schist |
| arock_type: | Pegmatite,Granite |
| tectonic: | Southern Black Hills |
| References: |
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