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L' _1q8/-ooh <br />Greg Lewicki And Associates <br />11541 Warrington Court Phone (303) 346-5196 Fax: (303)-346-6934 <br />Parker, CO USA 80138 E-Mail:greg@lewicki.biz <br />October 13, 2008 <br />Dan Mathews <br />Division of Reclamation, Mining and Safety <br />101 South 3`d Suite 301 <br />Grand Junction CO 81501 <br />RE: Changes in TR-58 from previous approved Section 2.05.4(2)(e) Revegetation for <br />new Horizon #2 Mine <br />Dear Dan: <br />The enclosed document is a "track changes" version of the approved Section <br />2.05.4(2)(e) Revegetation from August of 2006 compared to that submitted as part of <br />TR-58. As you can see, the majority of the changes involve the addition of the <br />reference area. Other changes include the removal of the quadrat sampling method for <br />irrigated cropland and various changes to the sampling procedures and formulas for all <br />revegetation types. These changes were requested by you previously and were part of <br />the previous TR-55 which was withdrawn. Also, a new map of the reference area is <br />included in Attachment 2.05.4(2)(e) -4. A new Attachment 2.05.4(2)(e) -5 shows the <br />vegetation statistics of the 2007 sampling of the new irrigated pasture reference area. <br />Let me know if you need anything else. <br />Sincerely, <br /> <br />Greg Lewicki, P. E. <br />Greg Lewicki and Associates <br />cc: Marcia Talvitie <br />cc: Ross Gubka