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Figure 1. Chert Ovate Bifaces (1:2 scale). a. Extra long example, lightly used, 12D-29/5. b. Variety A, lightly used, traces of cortex on both faces, 96H-1/4. c. Variety A, lightly used, traces of cortex on both faces, 33C-4a/3. d. Variety C, medium-textured, banded gray chert, reworked butt, 80D-14/9. a b c d Figure 2. Chert Ovate Bifaces (1:2 scale). All Variety A. a. Late variant with almost straight lateral edges, 44A-4/1. b. 20A-400/30. c. 20N-16/2. d. 33A-109/42. a b c d Figure 3. Chert Ovate Bifaces (1:2 scale). a. Variety A, 24C-4/4. b. Variety A, 98K-25/12. c. Variety A, 98D-1/2. d. Butt shaped, bit reworked into a gouge, 45E-23/3. e. Split and reworked, 118A-7/2B. f. Variety A, 70B-3/4. g. Butt reworked into a gouge, battered bit, 20A-1266/58. a b c d e f g Figure 4. Chert Ovate Bifaces (1:2 scale). Reworked fragments. a. Ends reworked, burnt, 66H-5/6, PD. 231. b. Ends reworked, 20R16 /6. c. Both ends battered, 24C-316/121. d. Ends reworked, fire-spalled, 12K-181/14. e. Reworked bit end, fire-spalled, 33F/9. f. Break reworked into a gouge, 20A-527/42. g. Butt end reworked into a gouge, 24C-114/42. a b c d e f g Figure 5. Chert Ovate Bifaces (1:2 scale). Unused and reworked fragments. a. Ends reworked into gouges, 97A-194b/32. b. Bit reworked into gouge, 3E-26/26. c. Butt snapped off, bit end battered, 56G-2/8. d. Two butt fragments retouched to points, 1. 66D-8c/46, 2. 146J-25/3. e. Used bit fragment, unusually thin section, coarse chert, 33F/29. f. Unused bit fragment, 12K-184/15. g. Butt snapped off, lower break battered, 18B-1b/1. h. Reworked ends, 12M-61/19. i. Reworked breaks, 97A-106/4. a b c d 1 2 e f g h i Figure 6. Chert Ovate Bifaces (1:2 scale). All Variety B. a. Irregular plan due to cortex patch along one lateral edge, differential patination caused by haft, 12I-20/22. b. Snapped and retouched upper break, 97A-237/43. c. Cortex traces on both faces, upper end neatly rounded by pecking, 42F-30/8. d. Fire-spalled, reworked upper end, well-shaped bit, 24F-14/5. e. Snapped off butt, 98K-118/40. f. Ends reworked as gouges, 80C-14/5. e a b c d f Figure 7. Chert Ovate Bifaces (1:2 scale). All Variety B. a. Patinated surface find from a Recent Site, 1D-52/11. b. Battered bit, 67A19 /21. c. Unusually small example, 20D-198/64. d. Grinding on lateral edges, snapped break, 20H-66/22. a d c b Figure 8. Chert Ovate Bifaces (1:2 scale). a. Variety B, 26A-1a/1, PD. 224. b. Variety B fragment, all edges reworked, 20A-350/13. c. Variety B fragment, all edges reworked, 78P-46b/29. d. Fragment with both breaks reworked into gouges, 42F/7. e. Variety A, shaped bit and lateral edges, lightly battered bit, 12U-32/1. f. Variety C, well used, snapped break, 97A-194a/32. g. Variety C, snapped break, 97A-257/49. a g f e b d c Figure 9. Chert Ovate Bifaces (1:2 scale). All Variety C. a. Resharpened bit, 68G-35/5. b. Snapped break, 12L-133/28. c. 97F-12/7. d. From a coarse- and medium-textured chert nodule, 66J-7/9. a c d b Figure 10. Chert Ovate Bifaces (1:2 scale). All Variety C from special deposits. a. Found coated with plaster except for areas covered by the now-vanished hafts, Bu. 23 chamber floor. 1. 12K-107b/13. 2. 12K-107a/13. b. PD. 7, 1. 28B-2a/3a, 2. Extensively reshaped, 28B-2b/3a. c. PD. 86, 1. 9C-7c/11, 2. 9C-7b/11, 3. 9C-7a/11. a c b 3 2 1 1 2 2 1 Figure 11. Chert Ovate Bifaces (1:2 scale). All Variety D. a. Reworked ends, 20A-1490/3. b. End of butt snapped off, bit reworked into a gouge, 125A33-11/2. c. Face fragment, both ends reused, 100A-2/1. d. Snapped off, reused butt end, 98D-12/5. e. Reshaped ends, 96D-2/3. f. Snapped off butt end, reworked gouge on upper...

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