Preserves
Links
Alger Underwater Preserve
http://www.exploringthenorth.com/alger/alger.html
In the Great Lakes at Munising in Michigan. Map and details of wrecks, including an intact 1880s wooden schooner.
Florida's Underwater Archaeological Preserves
http://dhr.dos.state.fl.us/bar/uap/
A statewide system of underwater parks featuring shipwrecks and other historic sites.