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• Noxious Weed Control Plan <br />This weed control plan is concerned with the control of all varieties of noxious weeds on <br />the mine site. The spread of Canada Thistle and Russian knapweed in the area is of great <br />concern. <br />Weed control will be accomplished by cutting thistles and by spot spraying individual <br />thistles and patches of thistles and Russian Knapweed with an industrial herbicide. <br />Spraying will be done by use of a backpack spray system or an ATV mounted spray tank. <br />An industrial herbicide recommended by the Delta County Extension Service will be used <br />to control all types of thistle, Russian knapweed and other noxious weeds. The current <br />recommended herbicide is Curtail. Other herbicides may be utilized if they are <br />recommended or approved by the Delta County Extension Service. <br />To control the noxious broadleaf weeds in small areas Curtail will be applied at the rate <br />of 2.0 oz/gallon. It will not be applied when spray particles may be carried by air currents <br />to areas where desirable plants are growing. It may be applied up to the edge of Hubbard <br />Creek but spray particles will not be allowed to come in contact with the water surtace. <br />Pesticide containers will be triple rinsed and the rinse water will be sprayed on an <br />established gravel roadway. All specimen label recommendations will be followed. <br />• Exhibit AA shows the location where spot spaying is planned and also shows areas of <br />thistle infestation which cover over 100 square feet. Treated areas over 100 square feet <br />in area will be examined each fall to determine if reseeding is appropriate. <br />• <br />113iv Revised 01/27/99 <br />