Stone tools focus picture of ancient Americans - Wilkes Barre Times-Leader

University of Oregon archaeologist Dennis Jenkins says that indicates the Clovis style of chipping stone tools was not the mother of Stone Age technology. He says the two styles were developed independently by different groups that may have taken separate routes through the continent after crossing the Ice Age land bridge from Asia.GRANTS PASS, Ore. (AP) â€" Stone tools and human DNA from ancient caves in Oregon offer new evidence of how some of the first Americans spread through the continent: Quite apart from the better-known Clovis culture, a separate group occupied the West.<br />http://www.timesleader.com/stories/Stone-tools-focus-picture-of-ancient-Americans-,175387