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GCC <br />GCC Energy, LLC <br />Energy Telephone: 970.385.4528 6473 County Road 120 <br />Safety as a Value I Facsimile: 970.385.4638 Hesperus, CO 81326 <br />May 28, 2015 <br />State of Colorado <br />Division of Reclamation, Mining 8v Safety <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203-2273 <br />Attn: Marcia Talvitie, Reclamation Specialist <br />Re: King I 8v II Mines <br />TR -25 Status Update <br />Dear Ms. Talvitie, <br />In response to comments during recent on-site inspections, GCC Energy is preparing a <br />revised surface drainage report to reflect as -built hydrologic design conditions at the <br />King I and King II mines. <br />We have recently received drawings resulting from a 2 foot precision aerial survey <br />performed in late November, 2014. All of the in-place culverts have been surveyed by <br />a Professional Land Surveyor and placed on these drawings. A professional engineer <br />is currently performing calculations and site review and expects to have a Technical <br />Revision (TR -25) ready to submit by June 30, 2015. <br />In addition to the above comments, new drainage basin maps have been completed, <br />the Professional Land Surveyor is scheduled to survey all existing ditch detail starting <br />today, SEDCAD data entry is underway, and various other detail maps are being <br />created. <br />Please call Tom Bird at (970) 385-4528 x 6503 if you have any questions or comments. <br />Sincerely, <br />Tom Bird <br />Manager, Coal Services <br />GCC Energy, LLC <br />