4TEH58 and points made by Ishi at the museum (from Shackley 2001:705).


Rabbit Mtn ash flow tuff (Cerro Toledo Rhyolite); obsidian breccia, Valles Caldera, northern New Mexico


Late Patayan point forms from San Diego and Imperial Counties, California (from Shackley and Lucas-Pfingst 2001).













  Obsidian marekanites, cores, and debitage from Haury's excavations at Snaketown.





Snaketown serrated points from Snaketown











Sauceda Side-notched from Snaketown









Angular marekanites in perlitic matrix at Sand Tanks, southwestern Arizona (from Shackley and Tucker 2000).

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