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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: September 14, 2007 <br />5u6ject: Third Quarter 2007 Pest and Disease Inspection; Keenesburg Mine <br />File #: C-81-028 <br />During our annual revegetation monitoring and Phase III vegetation sampling during <br />August 6-10, 21-24, and 27-31, 2007 Edith and I conducted an inspection of the <br />reclaimed and revegetated azeas 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. Vegetation growth has been significant this season, with a variety of <br />cool and warm season species, and excellent growth in the reclamation azeas. <br />All reclaimed and revegetated azeas of the mine, including the 1985, 1986, 1987, 1995, <br />1998 interseedings, 1999, 2000, 2002, and 2003 seedings were inspected by pedestrian <br />and vehicle means. The dugout area, the small cottonwood grove, the sediment pond <br />bottom and embankments, topsand piles, B Pit, and long-term overburden storage azea <br />were also inspected for any potential problem azeas. <br />We did not identify any disease conditions at any of the reclaimed and revegetated azeas <br />or within the mine site. Nor did we identify any plant pests which had affected the <br />growth of the vegetation during the past or current growing season. No azeas were <br />observed that had experienced any infestation or blight. No patches of noxious weed <br />species were observed, nor were any azeas identified where noxious weeds, plant pests, or <br />disease showed a deleterious effect to the live vegetation. <br />C: Keenesburg Pest and Disease Inspection File <br />Danny Kipp, Keenesburg Mine <br /> <br />-44- <br />