Quilomene Bar Point

The dimensions of these arrowheads are characterized by a total length ranging from 25 to 69 mm. The stem section measures between 5 to 9 mm in length. The blade itself exhibits a width of 16 to 38 mm, with an average width typically falling within the 18 to 24 mm range. The neck of the arrowhead is 9 to 12 mm in width, while the basal portion is slightly wider, measuring 10 to 18 mm. In terms of thickness, these arrowheads are 4 to 8 mm thick. Geographically, these points are predominantly distributed across the Columbia Plateau, covering areas in Washington, Oregon, and extending into western Idaho.