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• <br />5RT139.61 <br />Form: The specimen is a tertiary flake fragment, <br />irregular in outline with a slight bi-convex <br />cross-section. The broken surface exhibits <br />a hinge fracture. Cultural alteration occurs <br />on the two intact lateral margins. These <br />margins converge forming a prominent pro- <br />tuberance. <br />Material: White chert with grey bands <br />Dimensions: 1.96 cm. long x 1.63 cm. wide x .62 cm. thick <br />Retouch: Steep retouch occurs bilaterally and uni- <br />facially. <br />Functional <br />Interpretation: The retouch occurs only on the dorsal face <br />of the two intact lateral margins. These <br />converging margins are accentuated by the <br />retouch modification. Extensive, unifacial, <br />step fractured wear patterns indicate utili- <br />zation in a scraping capacity. <br />• <br />SRT139.63 <br />Form: The specimen is a tertiary flake fragment, <br />irregular in shape and cross-section. <br />One edge exhibits a shallow hinge fracture. <br />Material: Gray chert. <br />Dimensions: 2.02 cm long x 1.71 cm wide x .63 c[n thick <br />Retouch: Steep edge retouch occurs along the two <br />intact lateral edges of the dorsal face. <br />Functional <br />Interpretation: Retouched edges are associated with a <br />profusion of step fractures and extensive <br />edge rounding. Wear appears indicative <br />of a scraping activity. <br />• <br />41 <br />