Dressed stone dam in the Potomac River at Harpers Ferry
Entry/Object ID
IMG406
Description
Dressed stone dam in the Potomac River at Harpers Ferry
Typed on verso: "Built by United States about 1860 [1858 penciled in]. Extends 400 ft. from Maryland shore line in finished condition as shown; Foundation laid for 300 ft. additional"
dated 9/6/30
