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4 <br /> • � PETE MAILING ADDRESS. P O. Box 440 RAPID CITY, SD 57709-0440 PH 605-342-7224 <br /> PHYSICAL ADDRESS 3401 UNIVERSAL DR. RAPID CITY, SD 57702 Fx 605-342-6979 <br /> r <br /> RECEIVED <br /> IEN <br /> NOV 0 3 2021 <br /> G rado Division of Reclamatlon, <br /> Mining and Safety <br /> October 30, 2023 <br /> t " <br /> Colorado Division of Reclamation, Mining and Safety <br /> Room 215 <br /> 1001 E 62"d Avenue <br /> r Denver, Colorado 80216 <br /> t Re: Pete Lien&Sons, Inc.; Mining Permit No. M-1977-002 HR; Munroe Gypsum;Technical <br /> '1 Revision Request to formalize Affected Areas and increase the Total Disturbed Area at any one <br /> r time. <br /> Permittee proposes a revision of Exhibits C and F (Mining Plan Map of Affected Land; Reclamation <br /> Plan Map)to formally define the affected areas and reflect changes in the expected location of <br /> gypsum based on recently completed exploration drilling. <br /> The Permittee also asks for the Total Disturbed Area at any one time to be increased from 9.9 acres <br /> to 15 acres. Noting that backfilled, regraded and revegetated areas are not included in the 15 <br /> • acres. <br /> r4 Total Permitted Acres remain the same: 240 acres. <br /> Total Affected Acres remain the same: 70.7 acres. <br /> Paragraph 12 of Exhibit D—Mining Plan and Paragraph 10 of Exhibit E—Reclamation Plan,will be <br /> revised to read "Total disturbed land not backfilled,graded, contoured and reseeded will not <br /> exceed 9�15 acres, including non-permanent haul roads,stockpiles and plant sites." <br /> Updated Exhibits C, D, E and F showing the proposed changes are attached. <br /> r J!, If there are any questions regarding this submittal or if additional information is required, please <br /> contact me at(605)939-2719 or by email at mgoiliher@petelien.com. <br /> Respectfully, <br /> UJ <br /> Michael Golliher <br /> Technical Director of Mine Planning <br /> �, •f Pete Lien &Sons, Inc. <br /> ,zoo <br />