The Williamson-Plainview and Type Milnesand Sites on the Southern High Plains, New Mexico

The Williamson-Plainview site and the better known Milnesand site are two ancient bison (Bison antiquus) kill sites exposed during drought and wind erosion in the 1950s. The two sites are less than 500 m apart and remarkably similar, both extensive bone beds with scores of unfluted lanceolate Paleoindian projectile points: 85 Plainview and 47 Milnesand at Williamson-Plainview and 62 Milnesand and 10 Plainview at the type Milnesand site. Each...