<p>Don Safford chisels arrowheads out of obsidian -- the art of knapping -- to visitors at "Live History Days"</p>
July 22, 2015
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July 22, 2015 10:23 a.m.
<p>Don Safford chisels arrowheads out of obsidian -- the art of knapping -- to visitors at "Live History Days"</p>
July 22, 2015