| Lat / long: | 44.06829, -103.7564 |
| Primary: | Graphite |
| Ore: | Graphite |
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | None |
| Development status: | Occurrence |
| Host rock: | Flag Rock Formation (Schist) |
| Host type: | Schist |
| Structure: | Conformable To Severely Folded Precambrian Country Rocks |
| MRDS | SD02227 |
| DEP | 10055626 |
| Reference | U.S. Bureau Of Mines, 1954, Black Hills Mineral Atlas, South Dakota: Part I, Bureau Of Mines Information Circular 7688 |
| Reporter | Barari, Rachel A. |