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715 HORIZON DR., STE 340 <br />GRAND JUNCTION, CO 81506 <br />USA <br />VOICE 970.242.4220 <br />www.agapito.com <br />A AGAPITO ASSOCIATES, INC. <br />Mining & Civil Engineers & Geologists <br />July 20, 2011 723 -01 T1 <br />Mr. Dan Hernandez <br />Colorado Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Re: New Elk Mine (Permit No. C- 1981 -012) <br />Technical Reunion 58 <br />Exhibit 24 Correction <br />Dear Mr. Hernandez: <br />Per the letter of July 7, 2011, from Dan Prenzlow, Southeast Region Manager, of <br />Colorado Parks and Wildlife, to you, the following changes have been made to Exhibit 24— <br />Subsidence Control, Monitoring, and Mitigation Plan. <br />• 4.1.2 Gas Well Monitoring Plan -7 bullet: Insert "and/or gas well" so that this reads <br />"Structural anomalies reported by the surface and /or gas well owner(s) will be <br />investigated." <br />• 4.2.2 Gas Pipeline Monitoring Plan - 4 th bullet: Insert "and /or gas well" so that this reads <br />"Structural anomalies reported by the surface and /or gas well owner(s) will be <br />investigated." <br />• 4.2.4 Gas Pipeline Damage Mitigation Plan - 1 St bullet: Insert "and surface owners" so <br />that this reads "Appropriate personnel at mine and regulatory authorities, as well as the <br />owners of the pipeline and surface owners, should be informed." <br />Please do not hesitate to contact me if you have any questions or require further <br />clarification. <br />cc: Ron Thompson, NECC <br />Mike Trujillo, CDOW <br />Attachments: (3) TR 58 Exhibit_ 24_dated_July 20, 2011 <br />Sincerely, <br />1,0a/ri fadox) <br />Susan Patton, PE. <br />Senior Associate <br />GEOENGINEERING • MINING ENGINEERING • CIVIL ENGINEERING <br />GOLDEN OFFICE <br />303.271.3750 <br />Receive' <br />JUL 2 <br />Division ova d Safely n, <br />Mining <br />