Information Videos
4 videos • 15 views • by MountainJohn
1
Taste Testing Breads from Ancient Neolithic Grains.
MountainJohn
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2
Why you can't just "find" Flint / Chert.
MountainJohn
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3
[Private video]
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4
US Geology map of Chert & Flint
MountainJohn
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