![]() Sci-Tech Today | Feces Fossil, Stone Tools Found In Oregon Caves Dispel Theory About First ... Huffington Post GRANTS PASS, Ore. -- 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. Stone Tools Focus Picture of Ancient Americans Oregon stone tools enliven 'earliest Americans' debate |