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2010-12-17_REVISION - C1981019 (114)
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2010-12-17_REVISION - C1981019 (114)
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Entry Properties
Last modified
8/24/2016 4:28:02 PM
Creation date
12/30/2010 10:51:57 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
Revision
Doc Date
12/17/2010
Doc Name
Exhibit 5 Item 2 Historic Properties Treatment Plan for Four Sites Within Project
Type & Sequence
PR3
Media Type
D
Archive
No
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Historic Properties Treatment Plan, Collom Mine, Colorado 37 <br />Flake Tool Analysis <br />A basic bipartite classification will be used for flake tools. Flakes exhibiting intentional retouch <br />along one or more edges (with or without usewear) will be classified as retouched flakes. Flakes <br />that display evidence of macroscopic usewear only -- including use retouch, use step fractures, <br />edge dulling or smoothing, and general edge attrition but not deliberate retouch - -will be <br />classified as utilized flakes. The retouched flake tool category subsumes a number of traditional <br />formalized flake tool categories including denticulates, gravers, spokeshaves, composite tools, <br />etc. Where these categories are applicable, they will be used in place of more descriptive terms. <br />Where more specific terms are not applicable, descriptive terms based on retouch type or <br />location will be used, resulting in the classification of flake tools as bifacially retouched flakes, <br />laterally retouched flakes, distally retouched flakes, etc. <br />Likewise, the utilized flake category subsumes a limited number of more specific tool types, <br />including notches and gravers. Where more specific terms are not applicable, descriptive terms <br />(as with retouched flakes) based on location will be used. Flake tools that include both <br />deliberately retouched margins and utilized margins will be classified as retouched flakes. All <br />classification of specimens as utilized flakes is strictly on the basis of the observation of <br />macroscopic usewear. Edge angles of retouched and /or utilized margins are recorded using a <br />series of standard angle classes ranging from very acute ( < 7.5 °) to perpendicular (90 °). <br />Modified Cobble /Pebble Analysis <br />Artifacts in this category derive from the limited modification of cobbles (6.4 -25.6 cm in size) <br />or pebbles (<6A cm in size). These tools exhibit flaking along one or more edges, but in <br />contrast to artifacts in the bifacial reduction sequence, flake scars extend less than halfway <br />across the cobble /pebble face. Typically, not all margins of these tools are modified, and tool <br />form generally reflects the morphology of the parent material. Specimens that exhibit step <br />47599 <br />TRC Mariah Associates Inc. <br />
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