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To: 'DRMS Den Page 2 of 2 2019-12-19 23F3-9.09(GMT) 13032008630 From. Ben Langenfeld <br /> \ ' December 19,2019 RECEIVED <br /> �t Elliott Russell DEC 19 WO <br /> Colorado Division of Reclamation,Mining,and Safety <br /> 1313 Sherman St, Room 215 OM"OF RECLAMATION <br /> Denver, CO 80203 MWM AND WETY <br /> Detroit City Mine; D12MS )File No. M-20174)03; Hardrock Conversion Application <br /> Decision Date Request <br /> Colorado Calumet Co. requests an extension of the current CN-01 conversion decision date until <br /> January 31, 2020 to address all adequacy items <br /> Please contact me if you have any further questions or concerns. <br /> Sincerely, <br /> Ben Langenfeld, P.E. <br /> Greg Lewicki and Associates <br /> Detroit City lline <br /> December 2019 1 <br />