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Cultural Resource Site Assessments for Collom Expansion Project Colowyo <br />Buildings 1 and 2 have been demolished and pushed into a single pile by an unknown unknown <br />activity (Figures 8 and 9). A large area of vegetation removal appears to have occurred in the <br />north end of the site at and immediately west of Buildings 1 and 2. The date of the post -2005 <br />disturbance is unknown. The remaining features/buildings have experienced normal deterioration <br />expected of abandoned historic era structures. Building 3 has one sunken wall, and the ceiling <br />has collapsed. Building 4 has had the roof collapse. The historic trash scatter currently consists <br />of sanitary cans, paint cans, glass fragments, barbed wire and metal debris. The prehistoric <br />component was also relocated. Two manos, a stone tool, and the concentration of approximately <br />25 white chert tertiary flakes were all relocated. A new finding is a sandstone pestle with one <br />rounded and one ground end measuring 9.3 cm by 3.3 cm by 3 cm (Figure 10). No new significant <br />impacts or changes to the prehistoric component were observed. <br />NRHP Status and Condition Assessment <br />In 1995 site 5MF.4003 was recommended as needing more data during field evaluation by Metcalf <br />Archaeological Consultants, and this judgment was concurred on by TRC in 2005. Both <br />companies argued that the prehistoric portion of the site required subsurface testing in order to <br />determine the extent of a suspected subsurface cultural component. The historic portion of the <br />site was recommended as non-contributing as it has no potential to further our understanding of <br />local or regional historic settlement, subsistence, or socioeconomic patterns. Tetra Tech concurs <br />with the recommendation that additional data is needed to determine the potential NRHP eligibility <br />of the prehistoric component. Tetra Tech also concurs that the historic component would not <br />contribute to any potential a NRHP eligible determination. The only significant impacts noted were <br />the destruction of historic building/features 1 and 2 along with a vegetation clearing event in the <br />northern, historic component, part of the site. However, since the historic component is non- <br />contributing, the changes do not affect the overall integrity of the site. Integrity of the prehistoric <br />component remains unchanged from previous recordation with one additional prehistoric artifact <br />recorded in 2015. <br />Tetra Tech July 25. 2016 11 <br />For Official Use Only: Disclosure of Site Locations Prohibited (43 CFR 7 18) <br />