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Specimens and samples
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Chert
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Accession number
Acc.727
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Rock
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Geological samples
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archaeology
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Byron, Contra Costa County, California
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CA-CCo-NL-17, Byron, Contra Costa County
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1938
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Robert Fleming Heizer
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Robert Fleming Heizer
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Chert
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Acc.727
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1937
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1937
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