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"US Coast Guard cutter, ""Woodrush"", breaking ice", Great Lakes Minnesota Sea Grant |
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Ice-covered Great Lakes ship arriving in Duluth ship canal, Duluth, Minnesota US Army Corps of Engineers, photo by Jerry Bielicki
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Great Lakes freighter leaving Duluth harbor, Duluth, Minnesota Minnesota Extension Service, Don Breneman |
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Boats docked, Muskegon, Michigan Michigan Sea Grant, Carol Y. Swinehart |
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Great Lakes ship, Lake Michigan Michigan Sea Grant
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Ocean vessel assisted by two tugboats in Duluth-Superior harbor, Duluth,
Minnesota US Army Corps of Engineers, photo by Jerry Bielicki High Resolution |
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Great Lakes ship assisted by tugboat, Duluth, Minnesota US Army Corps of Engineers, photo by Jerry Bielicki High Resolution |
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Tugboat assisting ship, Duluth, Minnesota US Army Corps of Engineers, photo by Jerry Bielicki
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Ocean vessel loading grain at elevator, Superior, Wisconsin US Army Corps of Engineers, photo by Jerry Bielicki |
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Calumet Sag Channel, Calumet Park, Illinois Illinois-Indiana Sea Grant, photo by David Riecks High Resolution |
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Ship at ore dock, Duluth, Minnesota US Army Corps of Engineers High Resolution |
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Ocean vessel at the Soo Locks, Sault Ste. Marie, Michigan US Army Corps of Engineers, photo by Jerry Bielicki High Resolution |
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Great Lakes ship in Duluth-Superior harbor Duluth, Minnesota US Army Corps of Engineers, photo by Jerry Bielicki |
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Ship arriving in Duluth ship canal Duluth, Minnesota US Army Corps of Engineers, photo by Jerry Bielicki High Resolution |
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Ocean vessel being docked Unknown US Army Corps of Engineers, photo by Jerry Bielicki High Resolution |
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Ship in harbor, Duluth, Minnesota US Army Corps of Engineers, photo by Jerry Bielicki
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Port Calcite ships loading, Rogers City, Michigan Michigan Travel Bureau
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Detroit Harbor Terminal, Detroit, Michigan Michigan Travel Bureau
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Detroit River, Detroit, Michigan Michigan Travel Bureau
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Boat on Detroit River, Windsor, Ontario Michigan Sea Grant Extension, Carol Y. Swinehart
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""Agawa Canyon"" on the Saginaw River - Independence Bridge, Bay City,
Michigan Center for Great Lakes & Aquatic Sciences, David Jude |
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Calumet Sag Channel, Indiana Illinois-Indiana Sea Grant, photo by David Riecks
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Ship under Duluth Aerial Lift Bridge Duluth, Minnesota US Army Corps of Engineers |
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Ocean vessel loading grain, Superior, Wisconsin US Army Corps of Engineers, photo by Jerry Bielicki
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Deck view of grain loading onto an American straight decker, Superior,
Wisconsin US Army Corps of Engineers, photo by Jerry Bielicki
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Self unloader unloading limestone at Hallet Dock No. 6 Duluth, Minnesota US Army Corps of Engineers, photo by Jerry Bielicki |
