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Page 2 of 3 <br />June 15, 2015 <br />CHANGE SHEET FOR PERMIT REVISIONS, TECHNICAL REVISION, AND MINOR REVISIONS <br />Mine Company Name: Colowyo Coal Company Permit Number: C-1981-019 <br />Revision Description: TR -105 Postmining Topography <br />Modification <br />Volume Page, Map or other Permit Page, Map or other Permit Entry Description of Change <br />Number Entry to be to be <br />REMOVED ADDED <br />4 <br />No Change <br />5A <br />No Change <br />5B <br />No Change <br />6 <br />No Change <br />7 <br />Map 12 <br />Map 12 <br />Updated due to ditch changes per review comments <br />8 <br />Map 29 <br />Map 29 <br />Updated dates for Topsoil Stockpile removal <br />10 <br />Map 41 <br />Map 41 <br />Modified terrace ditches, footprint of excess spoil. Legend <br />edits <br />11 <br />No Change <br />Updated permanent and temporary out -of -pit spoil volumes <br />12 <br />Rule 4, Page 15 <br />Rule 4, Page 15 <br />associated with the designs for the East Taylor and West <br />Taylor Fills <br />13 <br />Page Exh. 7-20-2 <br />Page Exh. 7-20-2 <br />Revised Table 4 for changes to Sec 28 and West Taylor <br />Ponds <br />Revised Introductory text for West Taylor Sediment Pond and <br />Exh. 7-20C-1 to 2 (remove) <br />Exhibit 7 205-1 to 2 (replace) <br />two Figures, and associated SEDCAD modeling. (Design <br />13 <br />Exh. 7-20C-5 (remove) <br />Exh. 7-205 5 to 82 (replace) <br />Drawing Figure 1 C-3 and As Built Figure 1 C -3A remain intact <br />Exh. 7-20C-83 to 194 (remove) <br />and are not submitted, move to sheet protector on page 7-20A <br />3 and 4). <br />13 <br />Exhibit 7, Item 20, Part E <br />Exhibit 7, Item 20, Part E <br />Revised Introductory text to address small stock tanks <br />Pages 7-20E-1 through 66 <br />Pa es 7-20E-1 to 5 <br />13 <br />Exhibit 7, Item 20, Part G <br />Exhibit 7, Item 20, Part G <br />Revised terrace ditch design text and SEDCAD modeling for <br />Pages 7-20G-1 through 8 <br />Pa es 7-20G-1 through 8 <br />proposed PMT. <br />Exhibit 21, Item 1 <br />After the existing approved text (Figure 12) in Addendum 4, <br />13 <br />N/A <br />pages Addendum No. 5-1 and 2 <br />add Shannon and Wilson Addendum 5 letter regarding the <br />South Taylor Fill stability analysis. <br />14 <br />Map 12A <br />Map 12A <br />Updated due to ditch changes per review comments <br />14 <br />Map 20B <br />Map 20B <br />truncated profile lines at pit shell, updated profiles with revised <br />excess spoil footprint <br />Page 2 <br />