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Marcia Talvitie <br />Page 2 of 2 <br />February 17, 2015 <br />density. Please provide an estimate of the volume of material currently in place at the King I <br />portal bench that will have to removed and replaced. <br />GCC is proposing a variance to the requirements of Rule 4.10.1(5), specifically the placement of a <br />minimum of 4 feet of non -toxic and non - combustible material on the coal mine waste bank. GCC is <br />proposing to place 6 -8 inches of clay material, to be rototilled into the coal waste, followed by 24" <br />of topsoil. It is not clear whether we have reviewed the physical and chemical analyses provided by <br />GCC in Appendix C to the Trautner Geotech, LLC report or whether we will approve the lesser <br />amount of cover material. Please let me know if the proposed cover depth (or some alternate <br />cover depth) will be approved so that I can adjust the reclamation costs accordingly. <br />This concludes my review comments. I will complete a reclamation cost estimate when we have a <br />response to my questions regarding material volumes and haul distances. Should you or the <br />operator have any questions, please let me know. <br />