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• Savage and Savage <br />Memorandum <br />• <br /> <br />To: Donald W. MacDonald, Coors Energy Company <br />From: Michael Savage, Savage and Savage, Inc. <br />Date: December 5, 2003 <br />Subject: Fourth Quarter 2003 Pest and Disease Inspection; Keenesbutg Mine <br />File #: C-81-028 <br />On December 4, 2003 I conducted an inspection of the reclaimed and revegetated areas at <br />the Keenesburg Mine for evidence of plain pests or diseases that could affect the re- <br />established vegetation atthe Keenesburg Mine. <br />All reclaimed and revegetated areas of the mine, including the 1985, 1986, 1987, 1995, <br />1998 interscedmgs, 1999, 2000, and 2002 seedings were inspected by pedestrian and <br />vehicle means. The dugout area, the small cottonwood grove, and the B Pit areas were <br />also inspected for any potential weedy invasive species. I did not identify any disease <br />conditions at any of the reclaimed and revegetated areas or within the mine site. Nor did I <br />identify any plant pests which had affected the growth of the vegetation during the past <br />growing season. No areas which experienced a~ infestation or blight were found during <br />fire inspection. <br />tamarisk eradication. <br />Weed control activities at the mine this year have taken three forms. A controlled bum <br />was conducted within a portion of Area 10 to reduce an area of cheatgrass prevalence. <br />Subsequent late season growth reveals growth by warm season perennial grasses. <br />Mowing activities took place in Area 8 in the spring of 2003 and in November 2003 in <br />Areas 1, 3, 11,12, and 13. The mowing effectively reduced standing biomass and thatch <br />buildup, in addition to reducing yucca and sand sage clumps. A small chmtp of tamarisk <br />within the bottom of the B Pit was physically excavated and removed to prevem seed <br />spread and regrowth in accordance with Governor Owens Executive Order reeardine <br />C: Keenesburg Pest and Disease Inspection File <br />Danny Kipp, Keenesburg Mine <br />AHR-2003 <br />-48- <br />