Where are some sites containing shipwrecks and salvage information?

Question

Detail in the following
-wood presevation
-removing salts from artifacts
-restoring metals

Answer 1

Curious that you're posting this in the chemistry section . . .

Answer 2

Sunken warships and military aircraft present a special challenge. Sunken warships and military aircraft are frequently war graves, and are likely to be dangerous because of unexploded ordnance or hazardous or noxious material on board. Sometimes they carried valuable cargo. They are frequently the object of divers who wish to recover objects ? nee souvenirs ? from the site. They are often located on the seabed of foreign coastal States.

Nevertheless, they were government property when they sank. Are they subject to salvage without the permission of the flag State? Without the permission of the coastal State?

If not, how can they be protected, particularly when they lie in foreign or international waters?

you can get a lot of information at these sites