Earliest stone point artifacts found in Idaho, tribes say deep knowledge could help Americans' survival
Researchers with Oregon State University in coordination with the Nez Perce tribe have found stone artifacts that date back about 3,000 years earlier than other finds in the Americas. Fourteen projectile points found along Idaho’s Salmon River - some just fragments - are delicately flaked, razor sharp and made of various stones.
Source: nwnewsnetwork.org