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0 . <br /> General Shale <br /> Building The American Dream <br /> October 16, 2014 RECEIVED <br /> Colorado Division of Reclamation, Mining, and Safety OCT 1 72014 <br /> Mr. Tyler O'Donnell <br /> Environmental Protection Specialist CM8IONOFRECLAMATION <br /> 1313 Sherman Street, Room 215 MINING AND SAFETY <br /> Denver, CO 80203 <br /> f <br /> Re: M-1977-252 Pioneer Mine, Douglas County, Colorado <br /> Technical Revision Inert Fill Import TR-04�- <br /> Dear Mr. O'Donnell: <br /> General Shale Brick, Inc. (GSB) has received your preliminary adequacy review letter dated <br /> September 30, 2014 for the above mine site. GSB is respectfully requesting a 35-day extension of <br /> time with a due date of November 21 , 2014. This will allow us time to: <br /> 1. Determine the location of scrap brick backfill area. <br /> 2. Inspect the mine to determine if and how we can place the material into the pit. <br /> 3. Conduct further analysis on the tonnage of scrap brick we plan to haul to the mine site. <br /> 4. Review the reclamation plan map to determine the impact, if any, there will be on the final <br /> reclamation plan. <br /> 5. Draft a more concise plan on how to compact and backfill the areas with brick scrap. <br /> Please feel free to contact me with any questions at 303-783-3058 or by email at <br /> jason.mcgraw@generalshale.com. <br /> Sincerely, <br /> General Shale <br /> Brick, Inc. <br /> Jason E. McGraw P.E. <br /> Mine Supervisor <br />