One chert secondary flake. Possibly flint. The cortex and interior surface are black.
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Object number
190.40
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Color
Black
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Animals/objects
Flake, Secondary (Dorsal Cortex)
Flake
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Category
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Class
Stone
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Material
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Context
Lot 13 South, Sub-Landfill: River Bottom Silt Deposit (624.190)
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Techniques
Flaked