Which canal ran longer, Sandy and Beaver Canal or Beaver and Erie Canal?
Beaver and Erie Canal: The Beaver and Erie Canal, also known as the Erie Extension Canal, was part of the Pennsylvania Canal system and consisted of three sections: the Beaver Division, the Shenango Division, and the Conneaut Division. Beaver and Erie Canal:  The canal ran 136 mi north–south near the western edge of the state from the Ohio River to Lake Erie through Beaver County, Lawrence County, Mercer County, Crawford County, and Erie County, Pennsylvania.
i don't know