NEW YORK (AP) - A stone knife and other artifacts found deep underwater in a Florida sinkhole show people lived in that area some 14,500 years ago.
Experts said that makes the ancient sinkhole the earliest well-documented site for human presence in the southeastern U.S.
The site is about 30 miles southeast of Tallahassee. Divers recovered the artifacts under about 30 feet of water. The discovery confirms earlier indications that people visited the sinkhole more than 14,000 years ago.
The new work was reported Friday in a paper released by the journal Science Advances.
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