A sampling of banded ironstone spear points (except (A) and (C), which are black chert). They were made be prehistoric peoples by edge chipping the stone. Today, edge-chipping failure of…
Read MoreA sampling of banded ironstone spear points (except (A) and (C), which are black chert). They were made be prehistoric peoples by edge chipping the stone. Today, edge-chipping failure of…
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