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MR203 11/10/2005 Update Drillhole Abandonment Procedures <br />MR204 1 /31 /2006 Update Haul Road Certifications <br />MR205 4/13/2006 Voluntary Woody Stem Plantings <br />MR206 6/09/2006 Add Topsoil Stripping Area in G, BA, and Z Pits and <br /> Modify Pit Length in East A and G Dip Pits <br />MR207 7/13/2006 Embankment Stability Analysis for Deal Gulch Pond <br />MR208 9/06/2006 Deal Gulch Dam Construction Certification <br />MR209 Withdrawn <br />MR210 11/03/2006 Tension Crack Stabilization in the East Panel Landslide <br />MR211 12/12/2006 Revise Topsoil Stripping Area in D-Pit I-Seam Area and <br /> Reroute a Portion of West Area Power Lines <br />MR212 2/23/2007 Investigation and Monitoring Boreholes in G/K Pits and Z- <br /> Pit Areas <br />MR213 6/28/2007 Three Additional Investigation and Monitoring Holes in G- <br /> Pit Area <br />MR214 1/17/2008 Mine identification Sign Update <br />Technical Revisions: <br />Revision No. Approval date Nature of revision <br />TR92 12/02/03 Permanent Retention of Sediment Control and Diversion <br /> Structures <br />TR93 5/17/2004 Annual Report <br />TR94 9/29/2005 Retain Twenty-Five Ponds for use as Livestock and <br /> Wildlife Water Resources <br />TR95 6/28/2005 Annual Report <br />TR96 2/15/2006 Response to Midterm No. 5 Review; Bond Liability <br /> Calculation and Mine Plan Update <br />TR97 9/28/2006 Annual Report <br />TR98 2/08/2007 Update Topsoil Stripping and Mining Limits and Modify <br /> Road Locations in G and Z Pits. <br />TR99 3/27/2007 Monitoring and reporting Frequency for Investigation <br /> Boreholes in the G/K and Z Pit Areas <br />TR100 5/23/2007 Annual Report <br />TR101 10/17/2007 Revise topsoil Stripping Areas in East A Pit and Z Pit, <br /> Revise Mining Limit in East A, F and Z Pits, Update <br /> Postmining Topography in F, Z, and Ash Pits <br />TR102 4/24/2008 Annual Report <br />Trapper Mine 8 July 25, 2008