Tags: Canal.
The Union Canal was a towpath canal that existed in southeastern Pennsylvania in the United States during the 19th century. First proposed in 1690 to connect Philadelphia with the Susquehanna River it ran approximately 75 mi (120 km) from Middletown on the Susquehanna below Harrisburg to Reading on the Schuylkill River. Although construction began in 1792 during the George Washington Administration financial difficulties delayed its completion until 1828.