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Fleet | From | Until | United States Transportation Company - Oswego, New York | | 1911 |
Great Lakes Steamship Company - Cleveland, Ohio | | 1928 |
Great Lakes Dredge & Dock Co. - Oak Brook, Illinois | | 1955 |
Presque Isle Transportation Company - Cleveland, Ohio | | 1969 |
Erie Sand Steamship Company - Erie, Pennsylvania | | 1988 |
Gaelic Tugboat Company - Detroit, Michigan | | 1995 |
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