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Start Over Object name Drill bit Donor University Appropriation
Hearst Museum object titled Drill bit, accession number 2-39651, described as Made of chert.
Hearst Museum object titled Drill bit, accession number 2-39558, described as Obsidian drill-bit
Hearst Museum object titled Drill bit, accession number 2-39516, described as Obsidian drill-bit; maple-leaf shape
Hearst Museum object titled Drill bit, accession number 2-39629, described as Basalt.
Hearst Museum object titled Drill bit, accession number 2-39562, described as Small red jasper.

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Current results range from 1965 to 1965

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Current results range from 1964 to 1964

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