Great Lakes Waterway River between Huron and Erie. Usually, one or more U.S. Coast Guard icebreakers help keep the water passage open for part of the fall and early winter, although shipping usually ceases for two to three months thereafter. The Great Lakes Waterway is co-administered by the governments of Canada and the United States of America. The waterway allows passage from the Atlantic Ocean to the inland port of Duluth on Lake Superior, a distance of and to Chicago, on Lake Michigan, at . Together with the Saint Lawrence Seaway, the Waterway allows both ocean-going vessels and the ore, grain and coal-bearing
Lake Superior and Mississippi Railroad Lake Superior and Mississippi Railroad The Lake Superior and Mississippi Railroad is the name for two different railroads in Minnesota. The Lake Superior and Mississippi Railroad (LS&M) was the first rail link between the Twin Cities and Duluth and came into existence in 1863 when financier Jay Cooke selected Duluth as the northern end of a new railroad. Lyman Dayton, a local businessman put up $10,000 of his own money to do the original surveying work and served as the railroad's president until his death in 1865. Dayton was succeeded as president by Frank Hamilton Clark, a Philadelphia banker whose