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J. E. STOVER & ASSOCIATES, INC. <br />2352 NORTH 7T" STREEET, UNIT B <br />GRAND JUNCTION, COLORADO 81501 <br />PHONE: (970) 245-4101, FAX: (970) 242-7908 <br />MINE ENGINEERING <br />MINE RECLAMATION <br />October 9, 2015 <br />Jason Musick <br />Division of Reclamation, Mining & Safety RECD % { 77) <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 ocl i IJ 15 <br />Re: Bowie Resources, LLC, Bowie No. 2 Mine Division :,` i' ,,nation, <br />Technical Revision 105, Expand Gob pile #3 to the East Mining & Safety <br />Dear Mr. Musick: <br />CIVIL ENGINEERING <br />CONST. MANAGEMENT <br />On behalf of Bowie Resources, LLC (BRL) enclosed is an application for a technical revision to expand gob <br />pile #3 to the East. This revision will involve separating out the operational configuration and showing it <br />on page 4b, and creating a full build out configuration which will be shown on the applicable permit <br />maps. The intent of this revision is to provide more gob storage capacity at gob pile #3. <br />Because there are drainage features that must remain in place, the Operational configuration ditches <br />and drainage will remain in the permit, and be updated or removed as in field conditions change. <br />Changes to the Operational configuration with this revision include: <br />% Appendix B - While reviewing the approved Appendix B, it was discovered that part of the <br />Barnes' hayfield was shown as draining into Culvert J1. All of the runoff from Barnes' field has <br />been captured in the Clean Water ditch and is diverted around Pond J. Therefore, the PHC has <br />been revised to reflect these changes, as well as Ditch J4, Culvert J1 and Culvert J2. Due to <br />changes in acreage and curve numbers, the total runoff volume has changed, applicable SedCad <br />changes have been made and are included. All of Appendix B has been included due to changes <br />in page numbering and a header has been added to mark the pages "Operational". <br />.k A new underdrain has been designed and will be shown on Map 21-1 and on page 4b. This <br />underdrain design will be the same as the currently installed underdrain and will be installed <br />under what is currently the east drying area. The underdrain will not be installed until the drying <br />area is cleaned out, and gob is being placed for final placement and compaction. <br />New Full build out phase will include: <br />4. A new Appendix B, clearly marked as full build out. The Appendix B showing the existing <br />(operational) configuration will remain in the permit. The Operational section will be placed in <br />front of the full build out configuration. <br />� A revised Appendix A is included with new reclamation volumes including the East expansion. <br />