Union Forge
Site of a charcoal iron forge begun about 1782 by Curtis Grubb, owner of Cornwall Iron Furnace; a major user of Cornwall iron. Such forges transformed brittle pig iron into workable wrought iron. Union Forge included 1,000 acres of land, blacksmith and carpenter shops, a grist mill, and several houses. Under different owners, the forge was in regular operation until 1868. By then, rolling mills were displacing forges as refiners of iron.
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDigital Commonwealth, Boston Public LibraryDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford Libraries
Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov
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