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2023 Cultural Resource Site Assessments for Collom Expansion Project Colowyo <br />Tetra Tech June 2023 20 <br />For Official Use Only: Disclosure of Site Locations Prohibited (43 CFR 7.18) <br />5MF.5417 – Rock Cairn, Needs Data <br />Site 5MF.5417 is a rock cairn that was originally recorded in 2004 by Metcalf Archaeological <br />Consultants for the Colowyo Mine’s 2004-2005 Collom Drilling Program. The site consists of a <br />small pile of sandstone rocks. No additional prehistoric or historic artifacts were located during <br />the survey. The site has been revisited twice since the original recording. It was revisited in 2005 <br />by TRC as part of the Collom Mine Expansion Class III Inventory project and in 2015 by Tetra <br />Tech as part of the Collom Mine Expansion Site Assessment project. Both revisits did not note <br />any changes or impacts to the site. <br />In 2019, Tetra Tech revisited the site as part of the second round of assessments. The site was <br />determined to be in the same condition as the 2015 revisit. Mining activities had not impacted the <br />site in any manner and are not visible from the cairn. <br />In 2023, Tetra Tech revisited the site as part of the third round of assessments (Figure 13). The <br />site was determined to be in the same condition as the 2019 revisit. Mining activities have not <br />impacted the site in any manner and are not visible from the cairn. Tetra Tech recommends that <br />mining activities continue to avoid the site until further assessment is completed to fully evaluated <br />the site’s NRHP eligibility or potential importance to Native Americans. <br /> <br />Figure 13. Site 5MF.5417 overview, facing north. Taken by E. Shikrallah on 5/16/2023. <br />NRHP Status and Condition Assessment <br />In 2004 Metcalf Archaeological Consultants recommended Site 5MF.5417 as not eligible due to <br />the lack of deposition and artifacts, which was concurred by the Colorado OAHP. In 2005 TRC <br />recommended that further evaluation was needed of the site to determine potential inclusion on <br />the NRHP or listing as a possible Native American Traditional Cultural Property. The site is part