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Limited - Results Archaeological Survey Form (Page 3 of 10) <br />15. Legal Location: Quad. Map: Milner (1973) and Rattlesnake Butte (1973) <br />Principal Meridian: 6th X NM _ Ute _ <br />NOTE: Only generalized subdivision ( "quarter quarters ") within each section is needed <br />Township: 5N Range: 86W Sec.: 16 1/4s NW <br />Township: 5N Range: 86W Sec.: 21 1/4s NE <br />Township: 5N Range: 86W Sec.: 22 1/4s NW 1/4 <br />If section(s) is irregular, explain alignment method: Alignment to the section's NW corner <br />16. Total number of acres surveyed: 4.87 <br />17. Comments: A 300 x 300 ft square block was surveyed to include a buffer around the planned <br />cgrehole pads and a 100 foot wide corridor (50 feet either side of staked centerline) was <br />syrveyed along the proposed new access roads. The existing two -track roads that require <br />upgrades were previously surveyed with a 100 foot wide corridor by Metcalf (Elkins 2014). <br />IV. ENVIRONMENT <br />18. General Topographic Setting: In general, the project area is located in Twentymile Park Rust <br />north of Fish Creek northwest of Oak Creek, Routt County, Colorado. The existing road that will <br />be used for access from the west traverses rolling hills and follows a power line for much of its <br />length The borehole pads are situated on low knobs in the Twentymile Park valley with higher <br />ridges to the west that are part of the Williams Fork Mountains. Fish Creek and Foidal Creek <br />Canyons are located about a mile to the south. <br />Current Land Use: Livestock grazing, power lines, recreation <br />19. Flora: The project area is moderately vegetated with grasses, forbs, and low sagebrush. The <br />western access road traverses areas with less dense vegetation consisting mostly of pasture <br />grasses. <br />20. Soils /Geology: Surface sediments are predominantly alluvial in nature and consist of a dark <br />brown silty loam with a small amount of small gravels and few larger cobbles. Subsurface <br />geology is composed of sandstone, shale and major coal beds of the Williams Fork Formation <br />which are sedimentary and igneous rocks from the Early Tertiary and Late Cretaceous Age <br />(Tweto 1979). <br />