Bone tools from Arenosa.
Shumla-like dart point with tale-tell signs that the artifact was treated with heat during manufacture. Namely, the reddish hue and the and the glass-like luster (which does not show very well in this photo). Collins found that heat treating was used as an "adjunct" to the production of bifaces at Arenosa throughout most of the site's history. Specimen AMIS-3866.
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