Question: What was longer, the Black River Canal or the Chenango Canal?
Related documents: [0]  [DOC] The Black River Canal was a canal built in northern New York in the United States to connect the Erie Canal to the Black River. The canal had 109 locks along its 35 mi length. Remains of several of the canal's former locks are visible along New York State Route 12 near Boonville. [END] 
[1]  [DOC] The Chenango Canal was a towpath canal built and operated in the mid-19th century in Upstate New York in the United States. It was 97 miles long and for much of its course followed the Chenango River, along Rt. 12 N-S from Binghamton on the south end to Utica on the north end. It operated from 1834 to 1878 and provided a significant link in the water transportation system of the northeastern U.S., connecting the Susquehanna River to the Erie Canal. [END] 
Answer: 
Chenango Canal
Chenango Canal