How did the mountainous west form?
Posts Tagged ‘north america’
The Wild West
Monday, April 8th, 2013Historic Mastodon Hunt
Monday, October 24th, 2011
A mastodon rib bone is challenging the early history of humans in North America.
First Americans’ Early Arrival
Thursday, March 24th, 2011
New evidence reveals people were living in North America thousands of years earlier than previously thought.
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