CG042_cement freighter

DULUTH, MN – SEPTEMBER, 1997: Trailed by a sailboat, the Medusa Cement freighter “Alpena” (U.S.) enters the Port of Duluth, MN. (photo by J. Carl Ganter/Getty Images)

DULUTH, MN – SEPTEMBER, 1997: Trailed by a sailboat, the Medusa Cement freighter “Alpena” (U.S.) enters the Port of Duluth, MN. (photo by J. Carl Ganter/Getty Images)

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