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L 0 RA <br /> Division of 1 eciamationr <br /> Mining and Safety <br /> Department of Natural Reno-xces <br /> 1313 Sherman St. Room 215 <br /> Denver,CO 80203 <br /> July 30,2020 <br /> Mr.Harold Stickler <br /> General Shale Brick,Inc. <br /> 1845 W.Dartmouth Ave. <br /> Denver,CO 80110-1308 <br /> Re: Chieftain South Mine,Permit M1981-148,Technical Revision Approval,Revision TR03 <br /> Mr. Stickler: <br /> On July 30,2020 the Division of Reclamation,Mining and Safety approved the Technical Revision application submitted to <br /> the Division on July 22,2020,addressing the following: <br /> Importation of Inert Fill(scrap brick/grog)to be used for backf ll, <br /> Dust Control Plan, <br /> Use of grog to stabilize portions of overburden stockpiles if necessary. <br /> The terms of the Technical Revision TR03 approved by the Division are hereby incorporated into Permit M 1981-148. Please <br /> implement the applicable dust control measures as approved in this revision as soon as possible. All other conditions and <br /> requirements of Permit M 1981-148 remain in full force and effect. <br /> If you have any questions,please contact me. <br /> Sincerely, <br /> Eric C. Scott <br /> Environmental Protection Specialist <br /> f C <br /> 1313 Sherman St. Room 215 Denver,CO 80203 P(303)866-3567 F(303)832-8106 https://colorado.gov/drms r- <br /> Jared Polis,Governor I Dan Gibbs, Executive Director I Virginia Brannon, Director <br /> 87 6 <br /> 6' <br />