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The latter were previously believed to be the first people in North America.
Artifacts at this site may predate Clovis by 3,000 years or more, but these conclusions are disputed.
Among the objects from the "pre-Clovis" stratum, dated to 16,000-20,000 years BP, is a large piece nicknamed the "Topper Chopper." This apparent tool offers some of the most compelling evidence for human agency, including bifacial flaking of the edge. The site is somewhat hilly: the lowest section lies along the river at an elevation between 80 feet (24 m) and 90 feet (27 m), while the highest is the site's eastern edge, which rises above 130 feet (40 m).By joining a small group of like-minded travellers led by a highly experienced tour leader, you'll discover places that you would never find on your own all in the comfort of our private vehicles.Also, with no forced single supplements, you won't be charged any extra for travelling alone.Archaeologists called these presumed pioneers the Clovis culture, after distinctive stone tools that were found at sites near Clovis, New Mexico, in the 1920s and 1930s.As caches of Clovis tools were uncovered across North America over subsequent decades, nearly all archaeologists signed on to the idea that the Clovis people were the first Americans.