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Start Over Object name Rock sample Donor Bob Hayes
Hearst Museum object titled Rock sample, accession number 2-58741, described as Obsidian sample for analysis.
Hearst Museum object titled Rock sample, accession number 2-58740, described as Obsidian sample for analysis.
Hearst Museum object titled Rock sample, accession number 2-58739, described as Obsidian sample for analysis.

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