S-1827 (Edwards Chert): Collection from an archaeological context. Collection includes raw material and outer surface. S-1827 (Edwards Chert): AKA Cowplop (see L-714); visually matches Ft. Hood ...
L-686 (Edwards Chert): Provenience includes gravel deposits and roadcut. Collection includes raw material, outer surface, naturally-weathered specimens, and sawed nodules. L-686 (Edwards Chert) ...
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