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RALEIGH, N.C. (AP) - Authorities are resorting to a risky new method aimed at helping preserve what is believed to be the sunken flagship of the pirate Blackbeard.
The Army Corps of Engineers is creating an underwater sand dune to shelter the Queen Anne's Revenge, which sits about 26 feet underwater off the North Carolina coast.
The untried method could potentially damage the ship, which sank in 1718. But if it works, experts said it could be a model for protecting other underwater archaeological finds.
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