Figure 10

Microwear analysis for artifact #120 (Table 2) showing locations of hafting traces (HT-1), micro-impact fracture with bone polish (PT-2), sheath wear (ST-3), basal thinning (TT-5), post-depositional fractures, butchery (UT-4), and positive CIEP result (Tables 1 and 2). The American Mastodon image is courtesy of La Brea Tar Pits, Los Angeles County Museum of Natural History. Biface drawing is by Darby Erd.