2010-12-17_REVISION - C1981019 (132)

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98 Class 111 Inventory, Colotivyo's Collom Mine Project The site occurs within the mine permit boundary, but it is recommended as not eligible for the NRHP, and the current project will have no effect on the site. Cultural resource clearance is recommended with no further work. 6.1.21 Site 5MF6079 (NF -20) Site Tyne Prehistoric lithic scatter Legal Locatio Section 13, T4N, R94W Landowner Private Site Dimensio 72 x 47 m Site Descriptio Site 5MF6079 is a diffuse prehistoric lithic scatter located on the northeast -slope of a northeast - trending ridge (Figure 6.45). The site lies at 6,680 ft (2,036 m) and overlooks the ip mouth of Collum Gulch to the southeast and is northwest of the confluence of Collum and Little Collum Gulches (Figure 6.46). The ridge spine shields Morgan Gulch from view to the west. The general area consists of broad northeast - trending ridges and gulches with Axial Basin located to the north. Exposures of sandstone bedrock are common throughout the area in general and within the site proper. On -site sediment consists of shallow aeolian silty sand intermixed with gravel and eroding bedrock detritus. The vegetation community consists of dense sagebrush, rabbitbrush, cheatgrass, low grasses, and various forbs. Impacts to the site include slopewash and livestock trampling. The diffuse lithic scatter consists of 31 pieces of debitage. The flake assemblage consists of 28 tertiary flakes and three secondary flakes. White opaque chert is the most common material type with 26 flakes (23 tertiary and three secondary flakes). The remainder consists of three semitranslucent chert tertiary flakes and two quartzite tertiary flakes. Testing Results Two shovel tests were excavated at the site with negative results. The sediment matrix identified in both shovel tests consisted of silty sand with gravel to a maximum depth of 47599 TRC Mariah Associates Inc.