Two merchant ships have been named SS D. M. Clemson. , U.S. propeller, steamer, bulk freighter, Official No. 157703. Sank in 1908 on Lake Superior with the loss of all hands. SS D. M. Clemson (1917), U.S. propeller, steamer, bulk freighter, Official No. 214599. Scrapped in 1980, in Thunder Bay, Ontario.
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