00:00They've discovered this new stone structure that is in Oregon.
00:04Testing yields new evidence of human occupation 18,000 years ago in Oregon.
00:09So they found camel teeth fragments under a layer of volcanic ash from an eruption of Mount St. Helens
00:15that was dated over 15,000 years ago.
00:16Also uncovered a gate scrapers.
00:18A gate scrapers. I guess it's a type of stone.
00:20One in 2012 preserved bison blood residue and another in 2015 buried deeper in the ash.
00:26It was one of the oldest human occupation sites in North America.
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