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376 Class III Inventory, Colowyo's Collom Mine Project <br />Landowner Private <br />Site Dimension 60 x 25 m <br />Site Descriptio Site 5MF4010 occurs adjacent to but outside ofthe extreme northeastern portion <br />of the project area and was originally recorded by MAC in August 1995 as part of the Colowyo Coal <br />Company 1995 lease and exploration Class III inventory. The site was defined as a prehistoric lithic <br />scatter eroding out of the terrace and cutbank on the west side of Wilson Creek at 6,560 ft (1,999 m) <br />(Figure 6.228). Soils were characterized as deep alluvial deposits of yellow -brown sandy loam with <br />numerous gravel lenses, and the surrounding vegetation consisted of sagebrush, thistles, grasses, and <br />tamarisk. Five to 10 flakes were observed in situ at 360 cm below surface in two deeply dissected <br />portions of the cutbank that had separated but not slumped from the terrace. Below the cutbank, <br />25+ flakes of white chest were found on redeposited sediment below these separated parts of the <br />cutbank. They lie at the base of the cutbank, which suggests that the site is eroding out from the <br />cutbank above. <br />The deep alluvial deposits from which the flakes are eroding out of were not tested during the initial <br />recording. MAC recommended that the site needed more data to determine its eligibility status, and <br />the Colorado DAHP officially concurred with that assessment. <br />• <br />TRC Mariah revisited the site in August of 2005 as part of the Collom Mine Expansion project. <br />During the revisit, the in situ flake locality was relocated along with the slumped sediment <br />containing the additional flakes. Five additional localities of eroding white chest flakes were <br />discovered along the cutbank. All of the localities are at approximately the same depth below <br />surface (approximately 360 cm) as the originally recorded artifacts, and they occur in a horizontal <br />area approximately 20 in in length. Charcoal flecks also were observed in two of the flake localities <br />along the cutbank, and a possible biface was noted in higher strata. <br />The site was not tested during the current inventory and evaluation due to the massive depth of the <br />alluvial deposits along the cutbank. Flakes and charcoal flecking were noted in five locations that <br />47599 TRC Mariah Associates Inc. <br />