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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: November 17, 2010 <br />Subject: Fourth Quarter 2010 Pest and Disease Inspection; Keenesburg Mine <br />File #: C-81-028 <br />On November 17, 2010 I conducted an inspection of the reclaimed and revegetated areas, <br />as well as adjacent operational areas at the Keenesburg Mine for evidence of plant pests, <br />noxious weeds, and plant diseases that could affect the re-established vegetation at the <br />Keenesburg Mine. Conditions at the mine site were moist following precipitation from <br />recent wether fronts moving through northeastern Colorado. <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, 20, <br />21, 22, 23, 25, 27, 28, 29, and 30. The dugout area, oofice and shop perimeter, sediment <br />pond, A-1 and B-1 topsand piles, the B Pit bottom and side slopes, and overburden <br />0 storage area were also inspected 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 />-27-