STONE AGE
discussion: g73 5/8 19-20
sharpness of stone blades made from volcanic glass: g82 11/22 31
Tasaday tribe of the Philippines: g77 8/22 12-15
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STONE AGE
discussion: g73 5/8 19-20
sharpness of stone blades made from volcanic glass: g82 11/22 31
Tasaday tribe of the Philippines: g77 8/22 12-15