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signs of significant arroyo cutting. Deposition at the site is alluvial. Vegetation includes sagebrush, <br />grasses and serviceberry. The previous inventory also documented the presence of alluvial deposits <br />that could retain intact cultural deposits and the site was recommended as needs data. <br />During MAC's revisit, one biface fragment made of white chert, two white chert tertiary <br />flakes and one gray quartzite tertiary flake were recorded. Significant alluvial deposits were noted <br />especially along the west half of the site. MAC found nothing to contradict the previous <br />recommendation of needs data. <br />Eligibility and Management Recommendations. This site may retain integrity. Although <br />the artifacts were collected during the previous inventory, a few flakes and one tool were recorded <br />during this revisit. In addition, significant alluvial deposits are present. MAC supports the previous <br />recommendation of needs data. If the site will be subjected to physical disturbance from mine <br />facilities, testing should occur. Assessment of potential effects from subsidence will be evaluated <br />as part of a recommended site condition monitoring program for the mine. Testing or data recovery <br />maybe triggered under this program if the potential for site degradation from subsidence is observed <br />during the monitoring program. <br />5RT22 <br />Site Description. Site 5RT22 was originally recorded on 6/24/1975 as part of the CSU- <br />LOPA project. A projectile point, chert biface and scrapers, flakes and groundstone tools were <br />recorded and 100% collected during this inventory. Although the artifacts were primarily on an <br />open, eroded flat, some deposition was noted to the west of the site. This site was recommended <br />as eligible for the NRHP. It is situated on a gentle north slope west of an unnamed, intermittent <br />drainage. Deposition is alluvial and the site area has been further eroded, however, deposition of <br />up to 40 cm is still present in the southern and western parts of the site. Most artifacts were <br />observed where erosion has removed up to 1.5 m of deposition but a few artifacts were visible <br />eroding from the banks where deposition remains. Vegetation includes grasses and sparse <br />sagebrush. <br />During this revisit, one Archaic projectile point (Figure 1; <br />Hanna point, McKean complex) made of white chert, an end scraper <br />of white chert, a complete drill and a drill fragment (both white <br />chert), 100+ lithic flakes, two manos (sandstone, schist) and one <br />sandstone metate fragment were recorded. Of the flakes <br />documented, 50% are at the tertiary reduction stage. Forty percent <br />are secondary and 10% are primary flakes. Flake material is <br />primarily chert and chalcedony with a moderate amount of quartzite <br />and one obsidian flake also present. <br />Eligibility and Management Recommendations. Site <br />5RT22 may retain some integrity. Although portions of the site are <br />eroded, alluvial sediments that could contain intact, buried cultural <br />deposits are present. The site was 100% collected during the <br />original documentation yet a considerable amount of cultural <br />material, including a variety of tool types and some non-local <br />P1 <br />2 cm <br />Figure 1 5RT22 projectile <br />point illustration. <br />20