Archaeology excavations :
Snippets from pilot "Explain This" produced by Allan Spreen and Kevin McMahon who also directs. This bit highlights the Calico Dig has proof of human beings existence on this continent for over 200,000 years. Up until recently it has been believed that humans have only been here for 11,000 years.
Monday, August 2, 2010
Explain This (Humans in America for over200,000 years)
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