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• 3.3 ANALYTICAL TECHNIQUES <br />After completion of the field investigation, all arti- <br />fact materials were taken up to the University of Colorado, <br />cleaned, numbered, and catalogued. During the catalogueinq pro- <br />cedure, the artifacts were divided into relatively broad cate- <br />gories for each site, e.g. projectile points, knives, unifacially <br />and bifacially flaked scrapers, retouched and unretouched flakes, <br />and ground stone implements. The frequencies of artifacts in <br />each category were noted and the type of stone material used in <br />their manufacture was described. Anomalous artifacts were also <br />described. Analysis of pottery was simplified by the fact that <br />only seven potsherds were found. <br />• Since the purpose of a cultural resource inventory is <br />to locate and determine the cultural affiliation and general <br />chronological placement of the cultural resources inventoried, <br />detailed artifact analysis is restricted to diagnostic artifacts, <br />primarily projectile points. Ground stone implements, such as <br />manos and metates, are of some diagnotic value in other areas, <br />such as the American Southwest, but are of little value diagnos- <br />tically in the study area given the general lack of information <br />for the area. Even projectile points have limited diagnostic <br />value due to the fact that the resistant nature of the material <br />they are made from limits the amount of variability, as opposed <br />to artifacts made from more plastic materials such as pottery. <br />• <br /> <br />