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Chalcedony blade with a narrow ventral bulb scar (at right) and a high dorsal arete (at left), bifacially retouched along margins, and unifacially flaked at the distal end, with use-wear evident. Appears to have been used as both a cutting tool and end scraper. Recovered from Trench 1 at a depth of 1.88 m (74 inches). D. Griffin photos
