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Shipwreck Found Off North Carolina, Possibly From Late 1700s

Photo of remnants of the shipwreck located July 12, 2015, in the seabed off of the North Carolina coast. Marine scientists from Duke University, North Carolina State University and the University of Oregon discovered the wreck during a research expedition.

Scientists using underwater vehicles and sonar have found a shipwreck off the North Carolina coast that may date back to the American Revolution, Duke University said Friday.

The expedition led by Duke marine scientist Cindy Van Dover found the previously unknown wreck in mile-deep waters on July 12 using an underwater robot and a manned submarine.

They've found artifacts including an iron chain, glass bottles, an unglazed pottery jug and navigational instruments including a metal compass. Archaeologists who examined photos of the artifacts say the wreck appears to date back as far as the late 18th century, which would make it a rare find.

"This is an exciting find, and a vivid reminder that even with major advances in our ability to access and explore the ocean, the deep sea holds its secrets close,'' Van Dover, director of the Duke University Marine Laboratory, said in a news release.

The scientists, whose primary mission is studying deep-sea ecosystems, were returning to an area called the Blake Plateau that they had previously explored with sonar.

The expedition also includes scientists from North Carolina State University and the University of Oregon aboard a vessel from the Woods Hole Oceanographic Institution. The wreck was found using Woods Hole's unmanned vehicle Sentry and the manned submarine Alvin.

The scientists turned their data over to National Oceanic and Atmospheric Administration's Marine Heritage Program, which hopes to return to the site to date and identify the lost ship.

Marine Heritage Program director James Delgado said the wreck sits about 150 miles offshore in the path of the Gulf Stream, which for centuries has been a maritime trade route. He said in a phone interview that the wreck could yield significant information about trade by the United States when it was a young country.

He noted that many ships have wrecked off the Carolina coasts over the years, but few have been found because of the difficulty of working at extreme depths.

From the surface, older wooden vessels may show up on sonar only as pixelated dark spots - or not at all - which explains why such finds are rare despite modern efforts to map the sea floor, he said.

"A largely wooden ship, largely now consumed by marine organisms, it's not going to show up,'' he said. "It's only when you fly closer or when you have eyes on the bottom that you find these wrecks.''