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RIDER TO MINING PERMIT <br />Permit Date: August Ol, 1986 <br />Permit No: C-80-007 <br />The following additional stipulations and conditions form an integral part of <br />the foregoing permit: <br />Stipulation No. 1 <br />NEITHER WEST ELK COAL COMPANY, NOR ANY SUCCEEDING OPERATOR OF THE MT. <br />GUNNISON PROJECT'S COAL LEASES AND RESERVES WILL BE PERMITTED TO MINE <br />COAL WITHIN THE MINNESOTA CREEK BASIN; UNTIL MLRD HAS RECEIVED A COPY <br />OF AN ADJUDICATED PLAN OF AUGMENTATION. <br />Stipulation No. 2 <br />THE APPLICANT SHALL CONTINUE TO SUBMIT TO THE DIVISION, AN ANNUAL <br />REPORT OF INFLOWS, DISCHARGES AND CONSUMPTION OF WATER WITHIN THE <br />MINE. THIS REPORT IS TO INCLUDE A MINE WORKINGS MAP SHOWING THE <br />LOCATION AND QUANTITY OF INFLOWS, A TABLE KEYED TO THE MINE MAP WHICH <br />SHALL CONTAIN THE SOURCE (I.E. FAULT, FRACTURES, ETC), QUANTITY, <br />DURATION, AND QUALITY (I. E. PH, ELECTRO-CONDUCTIVITY AND TEMPERATURE) <br />OF ALL INFLOWS; A TABLE CONTAINING RECORDS OF WATER DISCHARGED FROM THE <br />MINE, CONSUMED IN THE MINE, AND IMPORTED FOR USE WITHIN THE MINE, A MAP <br />SHOWING CURRENT WATER USES; A DISCUSSION OF THE WATER BALANCE WITHIN <br />THE MINE, AND FINALLY A PROJECTION OF HYDROLOGIC IMPACTS OF MINING IN <br />THE UPCOMING YEAR. THIS SHALL BE SUBMITTED NO LATER THAN FEBRUARY 1ST <br />OF EACH YEAR. <br />Stipulation No. 3 <br />THE OPERATOR SHALL UPON CLOSURE INSTALL WATER TIGHT SEALS WITHIN THE <br />MINE TO PREVENT GRAVITY DISCHARGE: THIS REQUIREMENT MAY BE WAIVED UPON <br />THE DIVISION'S APPROVAL OF A PLAN SUBMITTED BY THE OPERATOR. THIS PLAN <br />SHALL INCLUDE A DEMONSTRATION THAT THE WATER QUALITY OF THE DISCHARGE <br />FROM THE MINE WORKINGS WILL BE OF ACCEPTABLE QUALITY AND WILL REMAIN <br />ACCEPTABLE AFTER MINE CLOSURE. THIS SHALL INCLUDE CHEMICAL ANALYSIS <br />AND A PREDICTIVE MODEL THAT USES OXYDATION AND REDUCTION POTENTIAL TO <br />DETERMINE LONG TERM WATER QUALITY OF MINE WATERS. ALSO, THE PLAN SHALL <br />INCLUDE THE CONSTRUCTION OF A SUITABLE CHANNEL FOR MINE DISCHARGE. <br />Stipulation No. 4 <br />WHEN THE APPLICANT SUBMITS A PERMIT APPLICATION TO UNDERMINE THE DRY <br />FORK OF MINNESOTA CREEK, THE SUBSIDENCE PROTECTION PLAN SHALL BE BASED <br />UPON MONITORING INFORMATION COLLECTED DURING THE EARLIER PHASES OF <br />MINING. <br />