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| 1924 | | | Boston Socony. | | Owned by: | Jocharanne Tugboat Corp., 1957, United States, New York, New York City, Vessel changed to barge in 1964 |
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| | | Birchton. | | Owned by: | Gulf & Lake Navigation Co., 1936, Canada, Quebec, Montreal |
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| | | Boston Socony. | | Owned by: | Standard Transportation Co., 1924, United States, New York, New York City | | Built by: | New York Ship Building Co., 1924, United States, New Jersey, Camden |
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| | | New Jersey. | | Owned by: | Great Lakes Towing Co., 1952 | | Built by: | Great Lakes Towing Co., 1924, United States, Ohio, Cleveland |
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| | | Birchton. | | Owned by: | Mathews Steamship Co., Canada, Ontario, Toronto | | Built by: | A. McMillan and Son., 1924, United Kingdom, Scotland, Stirling, Dunbarton |
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| | | Kamloops. | | Owned by: | Canada Steamship Lines, 1924-1927, Canada, Quebec, Montreal | | Built by: | Furness Ship Building Co., 1924, United Kingdom, England, Northampton, Haverton-Hill-on-Tees |
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| | | Boston Socony. | | Owned by: | Socony-Vacuum Oil Co., 1934, United States, New York, New York City |
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| | | New Jersey. | | Owned by: | Great Lakes Towing Co., 1952 | | Built by: | Great Lakes Towing Co., 1924, United States, Ohio, Cleveland |
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| | | Boston Socony. | | Owned by: | Magnolia Petroleum Co., 1954, United States, Texas, Beaumont |
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| | | Boston Socony. | | Owned by: | Standard - Vacuum Transportation Co., 1931, United States, New York, New York City | | Built by: | New York Ship Building Co., 1924, United States, New Jersey, Camden |
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| | | New Jersey. | | Owned by: | Great Lakes Towing Co. | | Built by: | Great Lakes Towing Co., 1924, United States, Ohio, Cleveland |
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| | | Petco 21. | | Owned by: | Clark Towing Co., 1950, United States, Wisconsin, Milwaukee | | Built by: | Great Lakes Towing Co., 1924, United States, Ohio, Cleveland |
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| | | Lethbridge. | | Owned by: | Canada Steamship Lines, 1926 | | Built by: | Furness Ship Building Co., 1926, United Kingdom, England, Haverton-Hill-on-Tees |
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