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Page 2 of 2 <br />CHANGE SHEET FOR PERMIT REVISIONS, TECHNICAL REVISION, AND MINOR REVISIONS December 04, 2009 <br />Mine Company Name: Colowvo Coal Company <br />Permit Number: C-1981-019 <br />Revision Description: TR-81 South Taylor Fill Revision <br />and PMT change <br />Volume Page, Map or other Permit Page, Map or other Permit Description of Change <br />Number Entry to be Entry to be <br />REMOVED ADDED <br />13 N/A Exh. 21 - Item 1 Insert Addendum No. 3 to Geotechnical Study for Excess Spoil <br /> Third Introductory Letter Fill Stability Report to address revised spoil configuration. Place <br /> Pages 1 through 29 this document in front of the Second Introductory Letter. <br />14 Map 20B Map 20B Update Map 20B, "Pre-Mining and Post-Mining Cross Sections, <br /> South Taylor" to revise profiles associated with PMT edits <br />14 Map 23A Map 23A Update Map 23A, "Mine Plan, South Taylor" with updated pit <br /> limits, temporary fill stockpile changes, and modifications to the <br /> PMT tie-in boundary. <br />14 Map 41A Map 41A Update Map 41A, "Watershed Boundaries for Hydrologic <br /> Modeling, South Taylor" with postmining topo changes in the <br /> South Taylor fill area and associated terrace ditches, channels, <br /> and watershed boundaries. <br />14 N/A Map 45 New Map 45, "South Taylor Fill" to show the plan view, profiles <br /> and other design elements for the South Ta or Fill <br />Page 2