- COORDINATES: 40.310081, -79.655862 (Possible original location)
- COUNTY: Westmoreland
- DISTANCE TO NEXT: Irwin - 3
- EXPLANATION OF NAME: Named for John Quincy Adams
- FOUNDED: 1824
- MANUFACTURER: ?
- SHAPE: Standard 1-sided
- STATUS: Missing
Marker could not be located July 2011.
![Photo by Fred Yenerall, 1975](http://keystonemarkertrust.org/wp-content/uploads/2014/02/town-adamsburg-irwin-1-300x198.jpg)
1975 photo by Fred Yenerall
US 30 near Edna Street (original location)