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Scottsbluff   9,500-8,000 B.P.

Type I--Long, broad point with somewhat triangular or parallel-sided blades, small shoulders, and broad stems.  Type I display transverse parallel flaking that is somewhat irregular. The cross-section is a thick oval.  The stem edges are usually ground.  Size is between 2 to 5 inches long and an inch wide. Wormington, H. M.

Type II--Points are similar to Type I but have wider triangular blades.  In cross-section, they are thin and lenticular.  They also have more clearly defined shoulders and short or slightly-expanding stems. Wormington, H. M.

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