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Historic Properties Treatment Plan, Collom Mine, Colorado 6 <br />to the technological and /or cultural factors associated with changes in types and relative <br />frequencies of features through time. <br />Data Requirements: Intact basin features associated with activity areas and occupation <br />surfaces retaining spatial integrity; precise and detailed recording and analysis of feature <br />attributes and associated remains. Intact features with associated remains dating to a range of <br />culture historic periods. <br />2.2 LITHIC TECHNOLOGY AND MATERIAL CULTURE <br />Research Topic 1: What lithic material types are represented in each component? What are <br />the relative frequencies of various tool and flake types of each of these material types? Were <br />different types of lithic raw materials (e.g., chert and quartzite) differentially utilized for the <br />manufacture of different tool types? What do the types and relative frequencies of specific <br />nonlocal materials indicate in regards to the range and mobility strategies of different groups <br />during different cultural historic phases? <br />Excavated sites in the Northern Colorado River Basin with extensive charcoal- stained sediment <br />typically contain flaked stone artifacts of a wide assortment of material types. Generally, in <br />addition to charcoal stained features, flaked stone artifacts are the most common kinds of <br />remains found in hunter - gatherer archaeological sites. An assortment of lithic procurement sites <br />are present throughout the study area in both mountainous and plateau settings. The majority <br />of the sources are either quartzite or cryptocrystalline quartzite, with a few rhyolite sources. <br />These raw materials are available both from primary sources (lithic procurement sites), as well <br />as from secondary cobble sources. Stone from many of these sources were probably utilized by <br />the site occupants, and the kinds of raw material used probably changed through time. There <br />is also the possibility of nonlocal materials to be identified at these sites. The general and <br />specific locations and distributions of many of those resources are relatively well documented <br />47599 TRC Mariah Associates Inc. <br />