Scientific American Frontiers : The Secret Canyon (Video Report)

Feature Image: Delicate Arch, Arches National Park, Utah. SOURCE: Wikipedia Commons. (Public Domain).

From youtube uploaded by PBS

Uploaded on Mar 26, 2009

http://www.pbs.org/saf/ – The best kept secret of American archaeology is now revealed.

Dig a LITTLE DEEPER ~ THEI Archive: “Native Americans”

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