Duluth, Minnesota at the western end of the Saint Lawrence Seaway, the Duluth–Superior seaport is the largest and farthest-inland freshwater seaport in North America. By far the largest and busiest on the Great Lakes, the port handles an average of 46 million short tons of cargo and over 1,100 visits each year from domestic and international vessels. With of waterfront, it is one of the leading bulk cargo ports in North America and ranks among the top 20 ports in the United States. Duluth is a major shipping port for taconite pellets, made from concentrated low-grade iron ore and destined for midwestern
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