No Known Photo of this marker
- COORDINATES: 40.431036, -79.260886 where marker was presumed to have been
- COUNTY: Indiana
- DISTANCE TO NEXT: Unknown what would have been there as no photo exists
- EXPLANATION OF NAME: Named For John Blair of Blair's Gap, Pioneer
- FOUNDED: 1792
- MANUFACTURER: Unknown
- STATUS: Unknown, presumed long gone. Marker known only from text in 1970 Clair Clawser book.