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. _. <br />5RT142 <br />Some observed <br />debitage <br />Seneca II Coal Mine <br />Routt County, Co. <br />~latform ~//~7~latform (cortex) <br />Series of `J <br />small v N-arge amount <br />step of relatively <br />fractures Co a large step <br />fractures <br />(scraping type near) ~ White chert secondary biface <br />'~ Snap breaks reduction flake, mostly bulb <br />White chert secondary flake <br />absent <br />I <br />Gray chalcedony interior flake: <br />probably b face reduction <br />/Platform <br />hermal spall~ <br />White chert interior flake <br />Scale L:1 <br />• C. Wheel er <br />September 28, 1979 <br />64 <br />