SMITHSONIAN REPORT. 1956. — COLLINS 



iUiOu 



Flake and spall implements from T 1, chert. Natural size, a-e, microblades, struck from pre- 

 pared cores; f-h, microblades with tangs; i-l, heavv spalls struck from edges of prepared cores 

 or chipped blades (t, struck from the edge of a bifaced knife or projectile blade, retains the 

 tip of the parent blade); m-v, knives made from microblades and heavier flakes, with one thick 

 edge and the opposite edge sharp for cutting; w-y, triangular microliths, usually with one edge 

 dulled and a spall removed from opposite edge; z, spall implements, some finelv retouched 

 at upper end, probably used for grooving, inserted in composite handles like plate 10, h. 



