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Section II - Revisions to Permit C-1981-019 <br />Since the approval of Permit Renewal No. 5 (15 September 2009), the following minor <br />revisions (MR) and technical revisions (TR) have been received for Permit No. C-81-019. <br />Minor Revision 99 - This revision revised the ownership and controllers information in <br />Rule 2 and Exhibits 2 and 2A of the Colowyo permit. The revision <br />was received on 13 October 2009, deemed complete on 22 October <br />2009 and approved on 30 October 2009. <br />Minor Revision 100 - This revision updated the facilities location maps (Maps 22 and <br />22A) to change the location of coal stockpile R3. The revision was <br />received on 19 November 2009, deemed complete on 25 November <br />2009 and approved on 4 December 2009. <br />Permit Revision 03 - This revision proposes to incorporate approximately 16,833 <br />additional acres into the Colowyo permit area for the proposed <br />Collom Lite and Little Collom X Pits. The revision was originally <br />received on 26 January 2009 and deemed incomplete on 5 February <br />2009. Colowyo submitted additional information to the Division for <br />review on 29 March 2010 and the Division deemed the revision <br />incomplete on 8 April 2010. <br />Technical Revision 81 - This revision proposes changes to the permanent fills in the <br />South Taylor Pit area (the East Taylor and West Taylor Fills) and <br />changes to the temporary overburden stockpiles in the South Taylor <br />Pit area. The revision was received on 4 September 2009, deemed <br />incomplete on 14 September 2009 and deemed complete on 28 <br />December 2009. The Division sent a preliminary adequacy letter on <br />11 March 2010. Colowyo has not responded to date. <br />Technical Revision 82 - Colowyo has proposed variable topsoil replacement depths in <br />the West Pit and South Taylor Pit at the Colowyo Mine (in response <br />to Stipulation 12). The revision was received on 9 October 2009, <br />deemed complete on 13 October 2009 and is under review by the <br />Division. <br />Technical Revision 83 - This revision proposes changes to the post-mining topography <br />and permanent post-mining drainages in the North Taylor area of the <br />West Pit. This revision was received on 26 October 2009, deemed <br />incomplete on 5 November 2009 and withdrawn by Colowyo on 21 <br />December 2009. Since this revision was withdrawn, it is no longer <br />under consideration. <br />Technical Revision 84 - This revision addresses tall mountain shrub and aspen planting <br />areas in the South Taylor Pit at the Colowyo Mine (in response to <br />Colowyo Mine 2010 Midterm Review <br />Permit No. C-1981-019 10 May 2010 <br />4