| Lat / long: | 37.51977, -88.19943 |
| Tertiary: | Fluorine-Fluorite, Lead, Silver, Zinc |
| Operation type: | Underground |
| Development status: | Past Producer |
| MAS | 170690035 |
| DEP | 10266419 |
| Reference | {Deposit:: US BU MINES HEALTH AND SAFETY INSPECTION REPT DEARDORFF NO 1}{Deposit:: MARCH 15 1974} |
| Reporter | Eastern Field Operations Center (EFOC) |