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GCC <br />GCC Energy, LLC <br />Telephone. 970.385.4528 6473 County Road 120 <br />Energy "Safety as a Value" Facsimile: 970.385.4638 Hesperus, CO 81326 <br />September 21, 2016 <br />State of Colorado <br />Division of Reclamation, Mining & Safety <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br />Attn: Rob Zuber, Environmental Protection Specialist II <br />Re: GCC Energy, LLC, King II Mine <br />CDRMS Permit # C-1981-035 <br />Minor Revision No. 41 (MR -41) <br />King I Mine - Refuse Pile Sampling Plan, Modify RCF #4 Procedure <br />Mr. Zuber: <br />After submitting Minor Revision MR -41, "King I Mine - Refuse Pile Sampling Plan" we <br />have realized that the core sample retained for RCF #4, as shown on Map #2 of MR -41, <br />is no longer usable for its intended purpose. Therefore, GCC Energy proposes to use a <br />new core sample to be obtained from Monitoring Well MW -02, as proposed in <br />Technical Revision TR -26. <br />MW -02 is to be drilled near the same physical location as the core hole where the <br />original RCF #4 was collected, except offset 25 -50 feet to avoid any possibility of <br />intersecting the original hole. The original hole was cemented immediately after being <br />drilled and logged. <br />Since the core collected from MW -02 will be collected and sent for analysis very soon <br />after drilling is completed, the core will be a better representative sample of the area. <br />MW -02 will not be drilled until TR -26 receives final approval from CDRMS. <br />Please contact Tom Bird at 970.385.4528 x 6503 with questions or comments. <br />Sincerely, <br />Tom Bird <br />Manager of Coal Services <br />GCC Energy, LLC <br />tbird@gcc.com <br />