The Lehigh Gap dam, a wooden crib dam, on the Lehigh River south of the Blue Mountain also served at the entry point for the Walnutport stretch of the Lehigh Canal. The dam allowed for slack water navigation of canal boats from the Palmerton side of…
This was part of a small booklet of photos, Souvenir of Slatington Penna. and Vicinity, sold by Jones Bros & Miller. These photos also appeared as regular, individual postcards.