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Topic: Ancient Artifacts Have Been Found in the Grand Canyon, Going Back 12,000 Years (Read 113 times) previous topic - next topic

Ancient Artifacts Have Been Found in the Grand Canyon, Going Back 12,000 Years

Ancient Artifacts Have Been Found in the Grand Canyon, Going Back 12,000 Years

[html]Humans have left evidence of their passing through America’s great rift for more than 10 millennia.[/html]

Source: Ancient Artifacts Have Been Found in the Grand Canyon, Going Back 12,000 Years (http://ht**://www.discovermagazine.c**/planet-earth/ancient-artifacts-have-been-found-in-the-grand-canyon-going-back-12-000)