The National Iron & Steel Heritage Museum
Valley Forge — c1742
Site Name: Valley (Mount Joy) Forge

Location: Valley Forge, Chester County

Dates of Operation: c1742 to 1777

Owners: Stephan Evans, Daniel Walker, and Joseph Williams; John Potts

Historical Significance: Valley Forge was a full-fledged iron works, with a bloomery, chafery, finery, and a grist mill. The site was important enough for the British to burn it to the ground in September 1777, just three months before George Washington and the Continental Army camped at Valley Forge.