The wreckage of the "Julia Ann" as been discovered and some archeological recovery work has been going on. Here are a couple of sites that mention this work.

http://articles.latimes.com/1997-03-30/local/me-43550_1_julia-ann

http://famhist.us/histories/julia_ann_articles.html

http://books.google.com/books?id=yP0DAAAAMBAJ&pg=PA28&lpg=PA28&dq=wreck+of+the+%22Julia+Ann%22&source=bl&ots=5FwpcMtjxG&sig=Uc15