http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
guide to sunken ships in American waters
xiv, 189 pages illustrations, chart, maps 23 cm
Definitive listing of 1,100 shipwrecks along the U.S. coasts, the Great Lakes and larger rivers, with descriptions and charts for plotting them.