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
Manistique and Lake Superior Railroad Manistique and Lake Superior Railroad The Manistique and Lake Superior Railroad (M&LS) was an American Class III railroad serving the Upper Peninsula of Michigan from 1909 to 1968. It provided service from Manistique, Michigan to a junction with the Duluth, South Shore and Atlantic Railway at Doty, Michigan, southeast of Munising, Michigan. Its nickname was "The Haywire". The M&LS was chartered in 1909 to penetrate what was then a booming lumber and pulpwood region of the central Upper Peninsula. Almost from the start, it served as an affiliate of the Ann Arbor Railroad and was connected with the larger railroad's