| There are hammerstones, cores, and flakes associated with the manufacturing of Oldowan assemblages, as well as choppers and scrapers. |
| Hammerstones have also been found in the scree and other lithic debitage from the industry such as blades and flakes. |
| Ground or pecked stone tools include hammerstones, anvils, cobble manos, metates, and a possible net sinker. |
| Emergent is the correlation of core hammerstones and the presence of manos and metates. |
| Fig. 43 illustrates one of these hammerstones, found on the surface at Kennewick. |
