16,000-year-old Pa. rock shelter dwelling still divides archaeologists after 40 years
A fluke rainstorm at an ancient rock shelter in western Pennsylvania has brought a renowned archaeologist back to the site of where a furious debate was launched in 1973 over when the first humans came to the Americas.
http://www.foxnews.com/science/2013/...#ixzz2brLaS9Yv
http://www.foxnews.com/science/2013/...-rock-shelter/
Read more: http://www.foxnews.com/science/2013/...#ixzz2brLElFu6
Last edited by mouse; 08-13-2013 at 09:28 AM.
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