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, Missabe and Iron Range Railway Duluth, Missabe and Iron Range Railway The Duluth, Missabe and Iron Range Railway (DM&IR) , informally known as the Missabe Road, is a railroad operating in northern Minnesota and Wisconsin that hauls iron ore and later taconite to the Great Lakes ports of Duluth and Two Harbors, Minnesota. Control of the railway was acquired on May 10, 2004, by the Canadian National Railway (CN) when it purchased the assets of Great Lakes Transportation. The DM&IR was formed by the merger in 1937 of the Duluth, Missabe and Northern Railway (DM&N) and the Spirit Lake Transfer Railway. The following year, the