- 700-400 B.P.
- Lower Columbia River and some tributaries near the name site, Lake Riv
- Side Notched
- Lake River Side Notched
Lake River Side Notched
- Time Period : 700-400 B.P.
- Location : Lower Columbia River and some tributaries near the name site, Lake River near Vancouver, Wash.
- Shape : Side Notched
A small triangular arrow point that has low placed side notches that vary in depth and width. The bases are convex to concave with straight being dominant. These points are made on narrow to widely triangular preforms and flakes. This type is smaller, on average, than the Desert Side Notched series, but is a localized variant of that type. Despite the great deal of variation in the silhouette of these points, they were found together in caches. This point was found in situ with late era trade beads. Defined and named in 2001 by A. Erickson, J.L. Hogue and R. Snyder.
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