Pennsylvania Furnace. The remaining buildings here were part of the iron works established about 1810. Operating first as a charcoal iron manufactory, the furnace later used coke. Iron was made here as late as 1888. Spruce Creek Rd. (PA 45) at Pennsylvania Furnace Rd., Pennsylvania Furnace, PA by Pennsylvania Historical and Museum Commission Colour: blue Wikimedia: Flickr: Google Streetview OpenStreetMap
