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Initial spraying in the spring was performed by Moffat County Weed Control, with BTU Empire <br />supplying the treatment chemicals. Subsequent spring, fall, and spot-spraying were completed by a <br />contractor, and Mine Environmental Staff. Targeted weed species included Russian knapweed, <br />leafy spurge, Houndstongue, hoary cress (white-top), Canadian thistle, and tamarisk. Selective <br />herbicide applications utilized 2,4-D amine, Banvel, Escort, triclopyr (tamarisk), and Activator 90. <br />Spraying was conducted from June 2005 through October 2005. <br />Contracts were issued for beaver control and restoration of an irrigation ditch in the southern <br />portion of the mine property during late fall, however, inclement weather prevented completion of <br />the work during 2005 (to be completed during 2006). Three lowland hay meadows (south of the <br />stacking tube, north of the water treatment ponds, and west of the railroad) were hayed during the <br />yeaz. BTU Empire is working with a local rancher to contract agricultural cropping activities for <br />restoration of several disturbed areas where low cover values and weed/rodent infestations aze a <br />concern. It is anticipated that these activities will be initiated during 2006. <br />Attached is the Division's form required for the 2005 ARR. If there aze questions, please give me a <br />call at your convenience. <br />Sincerely, <br />Brian A. Watterson, P.G. <br />Geologist, Environmental Group <br />file:L•\en\enuvonmental\empve\arr\2005rnuletdac <br />