Question: Which canal, the Conewago Canal or the Orleans Canal is longer ?
Sentence (from "Conewago Canal"): The Conewago Canal, on the west bank of the Susquehanna River below York Haven, Pennsylvania, 11 mi south of Harrisburg in York County, enabled late 18th and early 19th century rivercraft to safely bypass rapids at Conewago Falls.
Relevant evidence: No