Which was farther north, Corpus Christi Ship Channel or Cayuga–Seneca Canal?
Cayuga–Seneca Canal The Cayuga–Seneca Canal is a canal in New York, United States. It is now part of the New York State Canal System.
St. Clair River The St. Clair River (French: "Rivière Sainte-Claire" ) is a 40.5 mi river in central North America which drains Lake Huron into Lake St. Clair, forming part of the international boundary between the Canadian province of Ontario and the U.S. state of Michigan. The river is a significant component in the Great Lakes Waterway, with shipping channels permitting cargo vessels to travel between the upper and lower Great Lakes.