Footprints Show 1st Americans Came 25,000 Years Early?
The first Americans may have arrived at least 25,000 years earlier than thought,
new methods of dating ancient footprints show.
http://news.nationalgeographic.com/news/2008/06/080606-ancient-footprints.html
"The analysis centered on 325 indentations found in a quarry in present-day Mexico's Valsequillo Basin." Richard A. Lovett
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