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Note: Bold text denotes materials provided with this submittal. <br />Page 2 <br />2 of 2 <br />• <br />8/31/2010 <br />CHANGE SHEET FOR PERMIT REVISIONS, <br />TECHNICAL REVISION, AND MINOR REVISIONS <br />Mine Company Name: Colowyo Coal Company <br />Permit Number: C- 1981 -019 <br />Revision Description: TR -87 East Pit Reclamation <br />Sequencing and Hydrology <br />Volume <br />Page, Map or other Permit <br />Page, Map or other Permit <br />Description of Change <br />Number <br />Entry to be <br />Entry to be <br />REMOVED <br />ADDED <br />56 <br />No Change <br />6 <br />No Change <br />7 <br />Map 12 - Hydrology South <br />Map 12 - Hydrology South <br />Add East Pit Sediment Control Structure locations to map. <br />revised stationing and alignment of lower <br />Resubmitted with <br />f North Trib East Pit Ditch. <br />pdate to the Backfill and Grading Timing Blocks in the <br />8 <br />Map 29 - Spoil Grading <br />Map 29 - Spoil Grading <br />9 <br />Map 33 - Postmining Permanent <br />Map 33 - Postmining <br />FRevised tationing and profile for North Trib, East Pit Ditch. <br />Drainage Profiles <br />Permanent Drainage Profiles <br />10 <br />No Change <br />11 <br />No Change <br />12 <br />No Change <br />13 <br />No Change <br />14 <br />No Change <br />Note: Bold text denotes materials provided with this submittal. <br />Page 2 <br />