article_snippet: It would also be older than another predating the so-called Clovis culture, once generally believed to be the first people to migrate from Asia into North America.
article_snippet: The earliest Clovis artifacts, known for distinctive and elegant stone points, are dated to about 13,000 years ago.
article_snippet: Two pre-Clovis sites are well documented and generally accepted by scientists.
article_snippet: Both are dated about 1,000 years before the oldest Clovis sites.
article_snippet: Some sites suggest that pre-Clovis people sometimes lived in hut clusters.
article_snippet: Two pre-Clovis sites are well documented and generally accepted by scientists, No one said.
article_snippet: Both are dated about 1,000 years before the oldest Clovis sites.
article_snippet: And on the surface, someone found a stone point of the stemmed type, found at sites both older and younger than Clovis.