Collection place: CA-CCo-138, Oakley, Contra Costa County / Culture or time period: Late Horizon of California (after 250–1000 AD) / Materials: Obsidian - Hearst Museum Portal Search Results

Start Over Collection place CA-CCo-138, Oakley, Contra Costa County Culture or time period Late Horizon of California (after 250–1000 AD) Materials Obsidian

Hearst Museum object titled Point, accession number 1-49734, described as Obsidian point.

Hearst Museum object titled Projectile point, accession number 1-224236, described as Made of obsidian; triangular, 1 side barb with expanding convex stem. Late culture period Diablo district bay inland