This collection of debitage was collected during a survey at an archeological site in Greeley County. The site had occupations in both the Archaic and Middle Ceramic periods. The chert types include Smoky Hill silicified chalk, which outcrops in western Kansas into western Nebraska, Alibates flint, a silicified or agatized dolomite from the Canadian River valley in the Texas panhandle, and an unidentified chert.