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
Gunflint and Lake Superior Railroad Gunflint and Lake Superior Railroad The Gunflint and Lake Superior Railroad (G&LS) is a defunct Minnesota logging railroad that operated in the Thunder Bay District of northwestern Ontario and in Cook County of northeastern Minnesota. The G&LS was built in 1902 by the Pigeon River Lumber Company to harvest primarily white pine and norway pine from the eastern side of Gunflint Lake. The logs were then transported to the company's sawmill in Port Arthur to be processed. The line originated at the Canadian Northern Railway-Duluth Extension (PAD&W Railway) at Little Gunflint Lake, crossed the Canada–United States border, travelled along the