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Savage and Savage <br />Memorandum <br />To: Donald W. MacDonald, Coors Energy Company <br />From: Michael Savage, Savage and Savage, Inc. <br />Date: July 23, 2010 <br />Subject: Third Quarter 2010 Pest and Disease Inspection; Keenesburg Mine <br />File #: C-1981-028 <br />On July 22, 2010 I conducted an inspection of the reclaimed and revegetated areas, as well <br />as adjacent operational areas at the Keenesburg Mine for evidence of plant pests, noxious <br />weeds, and plant diseases that could affect the re-established vegetation at the Keenesburg <br />Mine. Conditions at the mine site are dry following warm dry days in early July. Recent <br />rain storms have missed the mine site and perennial vegetation growth for warm season <br />species appears one to two weeks behind average years. <br />Selected operational, reclaimed, and revegetated areas of the mine were inspected by <br />vehicle and pedestrian means, including Areas 1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 19, <br />21, 22, 23, 24, 25, 27, 28, 29, 30, and 31P. The dugout area, sediment pond, topsand <br />piles, the B Pit bottom and side slopes, and overburden storage area were also inspected <br />for any potential problem areas. <br />I did not identify any disease conditions at any of the operational, reclaimed, or <br />revegetated areas of the mine site. I did not identify any plant pests which had affected the <br />growth of the vegetation during the growing season. No areas which experienced any <br />infestation or blight were found during the inspection. No patches of noxious weed <br />species were observed, nor were any areas observed where weeds, plant pests, or disease <br />showed a deleterious effect to the live vegetation. <br />C: Keenesburg Pest and Disease Inspection File <br />Danny Kipp, Keenesburg Mine <br />• <br />-26-