Ancient Pa. dwelling still divides archaeologists

AVELLA, Pa. (AP) — A fluke rainstorm at an ancient rock shelter in western Pennsylvania has brought a renowned archaeologist back to the site of where a furious debate was launched in 1973 over when the first humans came to the Americas.

As a young archaeologist, Jim Adovasio found evidence that humans had visited the Meadowcroft site 16,000 years ago. It was a stunning discovery that contradicted the so-called Clovis first theory, which dated the first settlement in the Americas to about 13,000 years ago.

Adovasio says the current dig is examining a flood-damaged section in hopes of uncovering more details about the layers of the site that date from roughly 3,000 to 7,000 years ago.

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