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Class III Inventory, Colowyo's Collom Mine Project 49 <br />Landowner: Private <br />Site Dimensions: 140 x 84 m <br />Site Description: Site 5MF6064 is an open camp located on the southern slope of a <br />northeast/southwest- trending ridgeline at 6,960 ft (2,121 m) (Figure 6.12). The southern boundary <br />terminates along a south- trending intermittent drainage. A north/south - trending fence and two -track <br />road are approximately 246 ft (75 m) east of the site. The general area is characterized by broad <br />northeast/southwest - trending ridges separated by gulches (Figure 6.13). On -site sediment consists <br />of a shallow discontinuous veneer of aeolian silty sand overlying, and intermixed with, silty clay <br />with gravel and eroding bedrock detritus. The vegetation community consists of sagebrush, <br />rabbitbrush, various forbs, and low grasses. The site has been heavily impacted by erosion. <br />The site consists of a scatter of artifacts eroding down the south face of a ridge to an incised <br />drainage. The recorded artifacts consist of three bifaces, one flake tool, one core, 40 flakes, and four <br />groundstone tools. The three bifaces are manufacturing stages, as none exhibit any evidence of <br />usewear. The final biface fragment is a medial portion that measures 2.1 P x 2.5 x 0.4 cm and is <br />made of brown opaque chert. The second biface is a complete preblank that measures 4.9 x 3.0 x <br />1.0 cm and is made of opaque chert. The third biface is a proximal fragment of an indeterminate <br />biface that measures 13P x 2.9P x 0.5 cm and is made of quartzite. The flake tool is a possible <br />graver tip that is made of an unspecified material type and measures 2.5P x 13P x 0.7 cm. The core <br />is multidirectional, measures 5.4P x 4.8 x 2.2 cm, and is made of quartzite. <br />The debitage assemblage consists of 40 flakes comprised of 26 tertiary flakes, 10 pieces of shatter, <br />three secondary flakes, and one primary flake. Various opaque cherts are the most common material <br />type, with 22 flakes (12 tertiary flakes, two secondary flakes, and eight pieces of shatter). There are <br />seven quartzite flakes (six tertiary and one primary flakes), six semitranslucent chert flakes (three <br />tertiary and one secondary flakes and two pieces of shatter), three mudstone tertiary flakes, one <br />nonvolcanic glass tertiary flake, and one quartz tertiary flake. <br />47599 TRC Mariah Associates Inc. <br />