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
Duluth Superior Symphony Orchestra Duluth Superior Symphony Orchestra The Duluth Superior Symphony Orchestra (DSSO) is an American orchestra based in Duluth, Minnesota. Founded in 1932 as the Duluth Civic Orchestra, it became the city's first permanent symphony orchestra. In 2000, it performed the North American premiere of "Spring Symphony" by Chinese composer Xiao-Gang Ye. Since 1966, the DSSO has performed at the Duluth Entertainment and Convention Center (DECC) Auditorium. The orchestra's season runs from September to May each year. The beginnings of the Duluth Civic Orchestra occurred in 1931 at the house of Alphin Flaaten, a professional music teacher. The first concert was on