Compelling archaeological evidence of an occupation older than Clovis (~ 12.8 to 13.1
thousand years ago) in North America is present at only a few sites, and the stone tool …

The Clovis complex is considered to be the oldest unequivocal evidence of humans in the
Americas, dating between 11,500 and 10,900 radiocarbon years before the present (14C yr …

Waters and Stafford (Reports, 23 February 2007, p. 1122) provided useful information about
the age of some Clovis sites but have not definitively established the temporal span of this …

American archeology has long been polarized over the issue of a human presence in the
Western Hemisphere earlier than Clovis. As evidence of early sites across North and South …

For much of the 20th century, most archaeologists believed humans first colonized the
Americas∼ 13,500 years ago via an overland route that crossed Beringia and followed a …

Gilbert et al.(Reports, 9 May 2008, p. 786) analyzed DNA from radiocarbon-dated paleofecal
remains from Paisley Cave, Oregon, which ostensibly demonstrate a human presence in …

The Paisley Caves in Oregon record the oldest directly dated human remains (DNA) in the
Western Hemisphere. More than 100 high-precision radiocarbon dates show that deposits …

Clovis, with its distinctive biface, blade and osseous technologies, is the oldest widespread
archaeological complex defined in North America, dating from 11,100 to 10,700 14C years …

The timing of the first human migration into the Americas and its relation to the appearance
of the Clovis technological complex in North America at about 11,000 to 10,800 radiocarbon …

Some 13,000 years ago, humans were drawn repeatedly to a small valley in what is now
Central Texas, near the banks of Buttermilk Creek. These early hunter-gatherers camped …