article_snippet: If the date of Rimrock holds up, the date of Rimrock would put people at the site about 1,500 years earlier, at the end of the Pleistocene era, when mastodons, mammoths, camels, horses and bison roamed the area.
article_snippet: If the date of Rimrock holds up, the date of Rimrock would put people at the Rimrock site about 1,500 years earlier, at the end of the Pleistocene era, when mastodons, mammoths, camels, horses and bison roamed the area.
article_snippet: If the date of Rimrock holds up, the date of Rimrock would put people at the Rimrock site about 1,500 years earlier, at the end of the Pleistocene era, when mastodons, mammoths, camels, horses and bison roamed the area the Pleistocene
highlights_snippet: If the date of Rimrock holds up, the date of Rimrock would put people at the site about 1,500 years earlier that thought, at the end of the Pleistocene era .