Commercial shipping on the Great Lakes follows a 2,300-mile corridor from the St. Lawrence Seaway to the western edge of Lake Superior. Over 200 million tons of cargo a year cross the five lakes and connecting waterways, hauled in some 150 U.S. and Canadian lakers, 50,000 barges, and about 1,000 visits by ocean-going vessels, or […]
Great Lakes ports in 2003
