Other archaeologists pointed out that the Buttermilk Creek dates, more than 2,000 years earlier than the Clovis chronology, are not significantly older than those for other sites.In recent years, early human occupation sites have been examined coast to coast: from Oregon to Wisconsin to western Pennsylvania and from Maryland and Virginia down to South Carolina and Florida.Dr. Adovasio, a professor at Mercyhurst College in Erie, Pa., said some of the Buttermilk Creek material resembled tools at his site and others at Cactus Hill, Va., and Miles Point, Md.

Other places same humans