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
Minnesota Point Light Bayfield of the British Navy, who chose a spot on Minnesota Point as the zero point of his mapping. The point is the eastern end of a great sand bar separating Superior Bay from the lake; the passage to the east of the point (known as Superior Entry) was the original outlet of the Saint Louis River. The Saint Louis River, which rises in Minnesota, becomes the Saint Louis Bay, then flows into Superior Bay and exits into Lake Superior via the ship canals, at each end of Minnesota Point (Park Point). Both Superior, Wisconsin, and Duluth, Minnesota, sprang up