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Historic Properties Treatment Plan., Collom Mine, Colorado 35 <br />Certain attributes will be recorded for all flaked stone tools. Those attributes include portion, <br />dimensions, material type, usewear, and remarks concerning particular aspects of the specimen. <br />Dimensions will be recorded in terms of length, width, and thickness (mm). Dimensions will <br />be measured relative to the orientation of the original tool - -for example, length is measured from <br />proximal to distal for point fragments even when that axis does not comprise the longest <br />dimension of the specimen. Where the orientation of the original tool is not ascertainable, <br />dimensions are measured relative to the proportions of the artifact (e.g., length = the longest <br />axis). Dimensions measured across a break and /or measurements that do not correspond to the <br />maximal value: of the original artifact along that particular parameter will be classified as partial <br />or incomplete dimensions. <br />Material type will be recorded using a set of standardized categories based on definitions from <br />the Little Snake Field Office (Walker- Buchanan 1993). These include Bridger chest, Uinta <br />quartzite, Morgan- Madison chert, black argillite, Windy Ridge quartzite, Kremmling chert, <br />i p Wamsutter oolitic chest, Sand Wash oolitic chert, obsidian, and other cherts and quartzites that <br />cannot be classified. <br />Biface Analys <br />Bifaces will be classified within a four -stage model in terms of the amount and types of <br />reduction they have undergone. In order from earliest (least reduced) to latest (most reduced) <br />stage, the bifac:e classes are preblanks, blanks, preforms, and final bifaces. Artifacts at any stage <br />of the reduction sequence may have been used as tools. Specimens that are too fragmentary to <br />allow classification to any of the four classes will be classified as being of indeterminate <br />function. <br />Preblanks are bifaces resulting from the initial stage of bifacial reduction. The preblank <br />category includes bifaces that have been only roughly reduced to a general bifacial form. They <br />display much of the form of the flake, cobble, pebble, or core from which they were made, and <br />47599 TRC Mariah Associates Inc. <br />