The Art and Science of Mapping Lake Superior’s Shipwreck Secrets. Ghosts of the Shipwreck Coast. Richly illustrated with the virtuoso skill of world-class maritime artists, Ghosts of the Shipwreck Coast elaborates on the art and science behind the Great Lakes Shipwreck Historical Society’s ground-breaking, Michigan Department of Transportation – sponsored underwater documentation of five of Lake Superior’s most historic shipwreck sites:  Vienna, John M. Osborn, Samuel Mather, John B. Cowle, and Comet.