Still Waters Posted December 10, 2013 #1 Share Posted December 10, 2013 A hunter-gatherer who trekked through a desert oasis a hundred centuries ago left the continent's most lasting impression: the oldest known human footprints in North America. There are only two of them - one left and one right - but the ancient traveler's path through mineral-rich sediment in the Chihuahuan Desert allowed them to become enshrined in stone, and now dated, some 10,500 years later. http://westerndigs.o...ica-identified/ Link to comment Share on other sites More sharing options...
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