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Harbors
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Michigan
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1. Ports of the United States, 2014
2014. National Atlas of the United States. This map layer shows major ports in the United States, Puerto Rico, and the U.S. Virgin Islands. A port is a city, town, or urban area with a harbo... National Atlas of the United States.
2. United States--Great Lakes, Lake Michigan--Michigan, Ludington Harbor /
United States Coast Survey. Coast Survey ;.
3. United States--Great Lakes, Lake Michigan--Michigan, St. Joseph and Benton Harbor /
United States Coast Survey. U.S. Dept. of Commerce, NOAA, NOS, Coast Survey ;.
4. United States--Great Lakes, Lake Superior, Michigan, Keweenaw Waterway, including Torch Lake /
United States Coast Survey. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Coast Survey ;.
5. United States--Great Lakes, Lake Superior--Michigan, Munising Harbor and approaches /
United States Coast Survey. The Survey ;.
6. United States--Great Lakes, Michigan--Wisconsin, Menominee and Marinette harbors /
United States Coast Survey. The Survey ;.