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Picketwire Processing, LLC -New Elk Mine <br />MANAGEMENT PLAN FOR CONTROL OF NOXIOUS WEEDS <br />Mine Disturbed Areas will be monitored for infestations of Noxious Weeds, including Scotch and musk <br />thistle, Canadian thistle, hounds tongue, and loco weed. <br />Whenever practical, mechanical control (cutting, tilling, grazing, etc) will be the control of preference. <br />At adjacent mine sites, mechanical control of hounds tongue, loco weed, and Scotch and musk thistle has <br />been found to be effective. More aggressive infestations have been effectively controlled with Roundup <br />(isopropylaminewlt of N-(phosphonometyl) glycine), mixed @ 2.66 oz. per gallon of water, applied <br />directly on the following plant. As this is anon-restricted pesticide/herbicide, Roundup will be the <br />preferred method of chemical control for annual and biannual thistle infestations. <br />Mechanical convol of Canadian thistle, a perennial, generally is ineffective. Thus, Canadian thistle will be <br />controlled by an application of either Banvil (dicamba) or a combination of 0.5 qt. Banvel plus 1.0 qt. of <br />2,4-D where Banvil alone proves ineffective. These are restricted pesticides and will be applied only by an <br />EPA Certified Applicator. <br />For infestations of other noxious weeds, CSU Cooperative Extension will be consulted to determine the <br />preferred method of control. <br />