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Duluth-Superior harbor. Freighter Quebecois at terminal to transfer limestone, for making concrete.
Duluth-Superior harbor. Freighter Quebecois at terminal to transfer limestone, for making concrete.
Duluth-Superior harbor. Freighter Quebecois at terminal to transfer limestone, for making concrete.
Duluth-Superior harbor. Grain elevators and grain cars, Superior, Wisconsin.
Duluth-Superior harbor. Grain elevators and grain cars, Superior, Wisconsin.
Duluth-Superior harbor. Grain elevators and grain cars, Superior, Wisconsin.
Duluth-Superior harbor. Grain elevators in Superior, Wisconsin.
Duluth-Superior harbor. Grain elevators in Superior, Wisconsin.
Duluth-Superior harbor. Grain elevators in Superior, Wisconsin.
Duluth-Superior harbor. Grain elevators in Superior, Wisconsin.