The Great Lakes Towing Company has completed a contract with American International Line to deliver six FRP tanks to Alpena, Michigan.  The tanks were shipped aboard the M/V COPENHAGEN which sailed from India.  The vessel arrived at the Cleveland-Cuyahoga County Port Authority Dock on Tuesday, October 23.  It was there that the tanks were then loaded onto a barge.  The Great Lakes Towing Company tug OHIO towed the barge from Cleveland, Ohio to Alpena, Michigan where the tanks were delivered to Lafarge Corporation.