| Lat / long: | 40.32283, -82.11984 |
| Primary: | Flagstone |
| Operation type: | Surface |
| Development status: | Past Producer |
| MRDS | WO21393 |
| MAS | 390310001 |
| DEP | 10175808 |
| Reference | {Deposit:: MESA INSP.}{Deposit:: MESA HEALTH AND SAFETY INSPECTION REPORT FEBRUARY 6, 1975.}{Deposit:: RCF & CMS 1981; NOT ON MSHA LIST 1981--ASSUME PAST PRODUCER} |
| Reporter | Eastern Field Operations Center (EFOC) |