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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: February 22, 2010 <br />Subject: First Quarter 2010 Pest and Disease Inspection; Keenesburg Mine <br />File #: C-1981-028 <br />On February 18, 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. While the mine site has received winter snow this season, there was no <br />standing snow on the ground surface, except in very isolated pockets. Near surface soil <br />moisture was evident throughout the mine site. <br />Selected operational, reclaimed, and revegetated areas of the mine were inspected by <br />pedestrian and vehicle means, including Areas 1, 2, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, <br />18, 20, 21, 22, 25, 29, 30, and 31P. The dugout area, sediment pond bottom and side <br />slopes, the small cottonwood grove, topsand piles, the B Pit bottom and side slopes, long- <br />term overburden storage area, and periphery of the shop and office were also visually <br />inspected from the vehicle 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 />-24-