Explanation
- Barge canal, including all branches and spurs and a diverting feeder [symbol]
- Natural lake channel lying between parts of Barge canal system [symbol]
- Old canal system [symbol]
Old canal retained as parts of Barge canal system
- Erie canal:
- Albany to Champlain junction
- Mohawk to Rome, except a portion through Utica
- New London to Butternut creek feeder (about 5 miles east of Syracuse)
- Tonawanda to Buffalo
- Champlain canal:
- Erie junction to Waterford
- Schuylerville to new lock No. 5
- Feeder, Glens Falls to Fort Edward
Four branches of Barge canal
- Erie canal — between Hudson river at Waterford and Niagara river at Tonawanda (Extensions built by the Federal Government in the Hudson river, Troy to Waterford, and in the Niagara river between Tonawanda and Buffalo)
- Champlain canal — between Erie canal at Waterford and Lake Champlain at Whitehall
- Oswego canal — between Erie canal at Three Rivers and Lake Ontario at Oswego
- Cayuga and Seneca canal — from Erie canal near Montezuma to Cayuga lake and then to Seneca lake
[Also included: depth profiles for Oswego canal, Champlain canal, Cayuga and Seneca canal, "profiles of improved canals"]