Pennsylvania Shipwreck Law

Pennsylvania Consolidated Statues , Title 37, Historical and Museums
Chapter 5, section 511

Criminal Penalties A person who conducts a field investigation on any land or submerged land owned or controlled by the Commonwealth, without first obtaining a permit from the commission or a person who appropriates, defaces, destroys or otherwise alters any archaeological site or specimen located upon lands owned or controlled by the Commonwealth, except in the course of activities pursued under the authority of a permit granted by the commission, commits a misdemeano! r of the third degree and shall, upon conviction, be sentenced to pay a fine of not more than $2,500 or to imprisonment for not more than one year, or both. In addition, such person shall forfeit to the Commonwealth all archaeological specimens collected or excavated together with any photographs and records relating to such specimens.

Non historic salvage of ships and items.
See: http://members.aol.com/DKM1/37.Cp.5.html
Also: http://www.phmc.state.pa.us/bhp/laws/overview.asp?secid=25

Thanks to Jim Kennard for researching PA statutes.