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Zoss. During the last years of the 19th century, Duluth Harbor was the birthplace of an innovative and odd-looking class of Great Lakes barges and steamships known as whalebacks. Through rare vintage images, this photo-history examines the curved-deck, snout-nosed whalebacks pioneered by Capt. Alexander McDougall and his American Steel Barge Company. 128 pages, approximately 200 B&W photographs, 6½"x 9¼", softcover
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