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Unifacial Flake Tool
Dorsal (left) and ventral (right) sides of a small beaked graver recovered from a depth of 3.99 m (157 in) in Master Pit I. Powdered aluminum coating to reveal morphological details. Dorsal side clearly fashioned according to a predetermined design, being nearly symmetrical. The ventral side is the unmodified positive bulb of the small flake. The working tip is shown in greater detail in a subsequent image. D. Griffin photos
