["Biographies & Memoirs \/ Biographies of Professionals & Academics \/ Aviation & Nautical Biographies","Engineering & Transportation \/ Transportation \/ Ships \/ History of Ships & Shipbuilding","History \/ History of the Americas \/ History of the United States \/ 20th Century U.S. History","TRANSPORTATION \/ Ships & Shipbuilding \/ History","_","__","___","Mississippi River;Description and travel.","Ohio River;Description and travel.","Ship captains;Mississippi River;Biography.","Biographies & Memoirs \/ Memoirs","Biographies & Memoirs \/ Memoirs","Biography","GENERAL","Mississippi River;Description and travel.","Non-Fiction","Ohio River;Description and travel.","Ship captains;Mississippi River;Biography.","TRANSPORTATION \/ Ships & Shipbuilding \/ History","Transportation"]