A math and science teacher digging on his property in Oregon's Willamette Valley was in for quite the surprise when he uncovered 14 ancient tools this past spring. "I dig and I find this black obsidian stone. I thought, that's a neat rock. I kind of tossed it aside, and kept digging," the teacher, referred to only as "David," told OPB. But then David found another strange stone. And another. Local archaeologist John Pouley identified the artifacts as bifaces, or pieces of obsidian that can easil...
A math and science teacher digging on his property in Oregon's Willamette Valley was in for quite the surprise when he uncovered 14 ancient tools this past spring. "I dig and I find this black obsidian stone. I thought, that's a neat rock. I kind of tossed it aside, and kept digging," the teacher, referred to only as "David," told OPB. But then David found another strange stone. And another. Local archaeologist John Pouley identified the artifacts as bifaces, or pieces of obsidian that can easil...
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