2014-06-10_REVISION - C1982056 (3)

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