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Savage and Savage <br />Memorandum <br />To: <br />From: <br />Date: <br />Subject: <br />File #: <br />Donald W. MacDonald, Coors Energy Company <br />Michael Savage, Savage and Savage, Inc. <br />March 26, 2012 <br />First Quarter 2012 Pest and Disease Inspection; Keenesburg Mine <br />C -81 -028 <br />On March 23, 2012, I conducted inspections of the operational, reclaimed, revegetated, <br />and several undisturbed native areas at the Keenesburg Mine for evidence of plant pests, <br />noxious weeds (defined or identified on List A or B by the Colorado Department of <br />Agriculture), and plant diseases that could affect the re- established vegetation at the <br />Keenesburg Mine. <br />With the approval of the Phase III final bond release (SL -06) by the Division of <br />Reclamation, Mining and Safety, a number of the reclaimed areas at the Keenesburg <br />Mine are no longer required to be inspected for pests and disease. While not required by <br />the CDMRS permit, these areas will be inspected in conjunction with other regulated <br />areas of the Keenesburg Mine to ensure continued revegetation success. Any concerns <br />regarding these areas will be conveyed to the landowner, Coors Energy Company. <br />Areas 25, 29, 30, and 31, the permanent sediment pond, dugout, Topsand Piles A -1, B -1, <br />and A -3, the small cottonwood grove, the long -term spoil area, the bottom and perimeter <br />of B Pit, the boundaries of the fenced oil and gas pads and roads, the office and shop <br />yard, and several areas outside the former mine disturbance area were inspected by <br />pedestrian and vehicle means for any potential problems. <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 <br />the growth of the vegetation during this 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 />AHR -2012 -36- <br />