Lake Superior islands include Madeline Island in the state of Wisconsin, Michipicoten Island in the province of Ontario, and Grand Island (the location of the Grand Island National Recreation Area) in the state of Michigan. The larger cities on Lake Superior include the twin ports of Duluth, Minnesota and Superior, Wisconsin; Thunder Bay, Ontario; Marquette, Michigan; and the twin cities of Sault Ste. Marie, Michigan, and Sault Ste. Marie, Ontario. Duluth-Superior, at the western end of Lake Superior, is the most inland point on the St. Lawrence Seaway and the most inland port in the world. Among the scenic places on the
Duluth-Superior Dukes (1956–70) Duluth-Superior Dukes (1956–70) The Duluth-Superior Dukes were a minor league baseball team , based in Duluth, Minnesota that played from 1956 to 1970 in the Northern League. The franchise formed in 1956 as the Duluth-Superior White Sox after a merger of the Duluth Dukes and the Superior Blues. The team name was changed back to the Dukes in 1960. From 1960 to 1964, they were affiliated with the Detroit Tigers. In 1965, they were affiliated with the Tigers and Chicago Cubs. In 1966, they were affiliated with the Cubs. In 1967, they were affiliated with the Cubs and Chicago White