- COORDINATES: 41.128742, -76.534865
- COUNTY: Columbia
- DISTANCE TO NEXT: Bloomsburg - 9
- EXPLANATION OF NAME: Named for Grist Mill Erected On Site of Town
- FOUNDED: 1772
- MANUFACTURER: Carlisle Foundry Co.
- SHAPE: Standard 1-sided
- STATUS: Missing ball finial. There's a thick, twisted piece of metal inside the top of the pole which prevents a ball finial from being inserted. Marker was repainted by Jim Carn in August of 2011.

May 2009 photo by Doug Kerr

August 2011 photo by Jim Carn

August 2011 photo by Jim Carn

August 2011 photo by Jim Carn

August 2011 photo by Jim Carn
PA 42 near North Chestnut Street