Didn’t Bob Ballard find this a couple years ago?
He took a peek at the continental shelf, found some stuff.
http://www.freerepublic.com/focus/news/1881156/posts
http://www.freerepublic.com/focus/news/1182621/posts
http://www.freerepublic.com/focus/news/950903/posts
http://www.freerepublic.com/focus/news/948140/post
http://www.freerepublic.com/tag/robertballard/index