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<br /> <br />Thomas Gillis <br />May 11, 1990 <br />Page 2 <br />2-4-D. The entire area to be spayed is on steep slopes, <br />therefore the spraying will be done by hand with hoses or <br />backpack sprayers. <br />An initial application will be done by an outside contractor as <br />soon as possible and a follow up application will be made a month <br />later by mine personnel or a contractor. During April 1991, the <br />pile will be surveyed again to determine the extent of <br />infestation. Results of spraying this spring and summer will be <br />evaluated to determine the methods and rates to be used next <br />spring. Spraying, if necessary, will be done in early May with <br />an application a month later if necessary. <br />Let me know if you have any further questions. <br />Sincerely, <br />Larr M. Reschke <br />Project Engineer <br />LMR:th <br />Attachment <br />