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Commodities of the Heartland

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In the U.S. economic system, people work together, combining natural resources, labor, and technology to produce goods, or commodities. A healthy economy requires that commodities be efficiently transported from their point of origin to their point of use.

The Great Lakes region is the heartland of the United States. A variety of commodities are either produced in or transported through the Great Lakes region. The top four bulk commodities (by volume) shipped through the twin ports of Duluth-Superior are grain, iron ore, coal, and bentonite clay. The map below illustrates the origin of these "top four."