Clovis Age Western Stemmed Projectile Points and Human Coprolites at the Paisley Caves

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Science  13 Jul 2012:
Vol. 337, Issue 6091, pp. 223-228
DOI: 10.1126/science.1218443

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  1. Fig. 1

    Western Stemmed projectile point fragments. (A) 1961-PC-5/18a-10-1. (B) 1294-PC-5/6D-47-1. (C) 1895-PC-5/16A-24. (D) Clovis point from Dent site, Colorado. Edges of (A) and (C) are intensely ground, as indicated by lines paralleling edges and stippling in edge-on view. The notch in (B) is an obsidian hydration cut. [Illustrations by Eric Carlson and George T. Jones]

  2. Fig. 2

    (A) Dating column profiles I and II in North Block, Cave 5. (B) Dating column profile III. (C) Dating column profile IV.

  3. Fig. 3

    (A) Horizontal distribution of Western Stemmed projectile points and in situ lithic debitage in excavation units 5/16A and 5/18A. (B) Vertical distribution of artifacts relative to acceptably dated coprolites and dating column samples.

  4. Fig. 4

    (A) Dating column profile V, excavation unit 2/4. (B) Dating column profile VI, excavation unit 2/6.