CORVALLIS, Ore. - The first Americans are thought to have crossed the Bering Sea land bridge from Asia and travelled down an ice-free corridor into what is now the upper Midwest. However, new evidence in Canada and the Pacific Northwest casts doubt on that theory.

At the Feb. 13 Corvallis Science Pub, Oregon State University anthropologist Loren Davis will discuss his investigations of possible coastal routes that people could have used to reach North America. It begins at 6 p.m. at the Old World Deli, 341 S.W. Second St. in Corvallis.

As director of the Keystone Archaeological Research Fund at Oregon State, Davis leads investigations of what ancient Americans left behind on the southern Oregon coast and along Idaho's lower Salmon River. He has also collaborated in work at Paisley Caves in Central Oregon and in projects in Baja California and elsewhere on the West Coast.

Sponsors of Science Pub include Terra magazine at OSU, the Downtown Corvallis Association and the Oregon Museum of Science and Industry

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Loren Davis,, 541-737-3849