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''Donald B'', originally ''Standard'', and now ''Barbara H'' is a paddlewheel towboat that has been named a US National Historic Landmark and is now based at Lamb, Indiana, across the Ohio River from Carrollton, Kentucky. She is owned by the Historic Sternwheeler Preservation Society, a not-for-profit corporation. The boat was declared a National Historic Landmark in 1989.〔〔 and (【引用サイトリンク】title=Accompanying photo from 1988 )〕 The boat measures long overall ( hull length plus the paddlewheel) by beam. She draws . She is powered by a 1940 Fairbanks-Morse 35E10 direct reversing diesel engine. She measures 51 gross registry tons and displaces approximately .〔 ==Nomenclature== *''Standard'' (1923–1940), owned by Standard Oil Company of Ohio *''Donald B'' (1940–2001), named after the owner's son, Donald Brookbank, who later became her Captain *''Barbara H'' (2001–), named after the Captain's wife, Barbara Huffman〔 (【引用サイトリンク】url=http://www.barbarah.hspsi.org )〕 Vessels that move barges on the Mississippi River and its tributaries are known as "towboats" despite the fact that they do not tow barges, but always push them from behind. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Donald B. (towboat)」の詳細全文を読む スポンサード リンク
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