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S Savage and Savage <br />Memorandum <br />To: Donald W. MacDonald, Coors Energy Company <br />From: Michael Savage, Savage and Savage, Inc. <br />Date: March 13, 2007 <br />Subject: First Quarter 2007 Pest and Disease Inspection; Keenesburg Mine <br />File #: C-81-028 <br />On Mazch 8, 2007 I conducted an inspection of the reclaimed and revegetated areas at the <br />Keenesburg Mine for evidence of plant pests or diseases that could affect the re- <br />established vegetation at the Keenesburg Mine. Snows from December 2006 through <br />February 2007 yielded significant water rechazge to the soils at the mine site, with most <br />azeas showing soil moisture throughout the soil column. <br />All reclaimed and revegetated azeas of the mine, including the 1985, 1986, 1987, 1995, <br />1998 interseedings, 1999, 2000, and 2002 seedings were inspected by pedestrian and <br />vehicle means. The dugout azea, the small cottonwood grove, the sediment pond bottom <br />and embankments, topsand piles, B Pit, and long-term overburden storage azea were also <br />inspected for any potential problem azeas. <br />I did not identify any disease conditions at any of the reclaimed and revegetated azeas or <br />within the mine site. Nor did I identify any plant pests which had affected the growth of <br />the vegetation during the past growing season. No azeas which experienced any <br />infestation or blight were found during the inspection. No patches of noxious weed <br />species were observed, nor were any azeas 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 />-42- <br />