The Office of Coast Survey's Automated Wreck and Obstruction Information System (AWOIS) contains information on over 10,000 submerged wrecks and obstructions in the coastal waters of the United States. Information includes latitude and longitude of each feature along with brief historic and descriptive details. Home Page: http://www.nauticalcharts.noaa.gov/hsd/awois.html AWOIS - Automated Wreck and Obstruction Information System Data and Maps via http://www.nauticalcharts.noaa.gov/hsd/AWOIS_download.html NOAA Office of Coast Survey