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• <br />• <br />• <br />• Vegetation: <br />Methods: <br />RESULTS: <br />Thirteen plant communities (comprising 25.1 acres) were described and mapped. <br />These include 11 upland and two wetland communities. Each community is <br />described below and illustrated in Figure 1. <br />Page 8 <br />Exhibit B <br />6.3.2 Site Description: <br />The site is an active gold and silver mine (Colorado Division of Reclamation, Mining, and Safety <br />110(2) Permit M1977 -410, issued 11/3/1980), located 3 miles west of Nederland, Colorado on <br />lands adjacent to the Roosevelt National Forest, at an elevation of 9700 feet, msl. (The proposed <br />expanded permit boundary will be on private property owned or controlled by Calais.) <br />(a) A description of the vegetation and soil characteristics in the area of the <br />proposed operation: <br />(The following vegetation information is taken from the "Cross Mine Vegetation <br />Ecological Site Survey and Assessment" prepared by Walsh Environmental Scientists <br />and Engineers, LLC, March 12, 2008.) <br />Project Summary: <br />This study was conducted to identify, delineate, and describe the plant communities at <br />the Cross Mine, Boulder County, Colorado. The Cross Mine is located five miles <br />west of Nederland, Colorado adjacent to the Roosevelt National Forest, at an <br />elevation of 9,700 ft., msl. The site is bisected by Coon Track Creek, a tributary of <br />Beaver Creek which flows into Middle Boulder Creek before delivering flows to <br />Barker Reservoir. <br />Walsh Environmental Scientists and Engineers, LLC (Walsh) ecologists identified <br />and delineated 13 major plant communities totaling 25.1 acres. (Figure 1) <br />Walsh ecologists were familiarized with the project site at a kick -off meeting on May <br />24, 2006. Additional site visits were conducted on June 12 and October 5, 2006. <br />Initial plant community identifications were made from a recent aerial photograph of <br />the site. The site was traversed on foot and these identifications were confirmed or <br />modified with additional observations and information. Confirmed community <br />boundaries were drawn over the aerial photo image and digitized. A brief description <br />of each community was composed, including a list of dominant plant species. <br />