Calico Early Man Site, Mannix Basin, Yermo, California / f)percoirs54

"Piercing or Boring Tools. A selection of piercing or boring rotational tools and gravers recovered from the Master Pits at the Calico Site. Material is chalcedony. Tools are fashioned from flakes" [Fred E. Budinger Jr., Calico Project Director, Calico Early Man Site, www.calicodig.org]

Photo © D. Griffin [Calico Early Man Site, www.calicodig.org]

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