The Gallinipper was a schooner that sank in Lake Michigan off the coast of Centerville, Manitowoc County, Wisconsin. In 2010, the shipwreck site was added to the National Register of Historic Places. ==History== Originally named the Nancy Dousman, the ship was built in 1833. By the 1846, the Dousman had already sunk once and had been raised and re... Found on http://en.wikipedia.org/wiki/Gallinipper