Eastern Division Canal
The Pennsylvania Canal's Eastern Division, which opened in 1833, ran 43 miles (69 km) along the east side of the Susquehanna River between Columbia and Duncan's Island at the mouth of the Juniata River. The canal included 14 locks with an average lift of 7.5 feet (2.3 m). The state originally planned a canal of 24 miles (39 km) running between the Union Canal at Middletown to the Juniata. However, the plan changed in 1828, when the state opted to extend the Eastern Division 19 miles (31 km) further south to connect with the Philadelphia and Columbia Railroad at Columbia.
Engineers faced complications at the northern end of the Eastern Division Canal, where it met the Juniata Division Canal and the Susquehanna Division Canal at Duncan's Island. Boats had to cross from one side of the Susquehanna River to the other between either the Susquehanna Division or the Juniata Division on the west side and the Eastern Division on the east side. They solved the problem by building a dam 1,998 feet (609 m) long and 8.5 feet (2.6 m) high between the lower end of Duncan's Island and the east bank of the Susquehanna. This formed a pool across which boats could be pulled from a wooden, two-tier towpath bridge at Clark's Ferry. Two Duncan's Island lift locks raised or lowered the boats traveling between the dam pool and the other canals.
Read more about this topic: Main Line Of Public Works
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