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-6- <br />Stipulation No. 6 <br />THE DIVISION DIRECTS BEAR COAL COMPANY TO INSTALL TWO ADDITIONAL <br />SUBSIDENCE MONITORING MONUMENTS WITHIN THE MAPPED LANDSLIDE DEPOSIT. <br />THE COMPANY SHALL INSTALL THESE ADDITIONAL MONUMENTS AT LOCATIONS <br />APPROVED BY THE DIVISION. BECAUSE OF THE IMPORTANCE OF INSTALLING AND <br />SURVEYING THE LOCATION OF THESE MONUMENTS PRIOR TO UNDERMINING OF THE <br />MONUMENT LOCATIONS, THE DIVISION DIRECTS BEAR COAL COMPANY TO COMPLETE <br />INSTALLATION AND INITIAL SURVEYING OF THESE. MONUMENTS NO LATER THAN 30 <br />DAYS FOLLOWING APPROVAL OF THIS PERMIT REVISION APPLICATION. <br />Stipulation No. 7 <br />THE DIVISION DIRECTS BEAR COAL COMPANY TO COMPLETE A DETAILED ANALYSIS <br />OF THE POTENTIAL EFFECTS OF SUBSIDENCE UPON THE STABILITY OF THE <br />LANDSLIDE DEPOSITS LOCATED ABOVE THE PROPOSED UNDERGROUND WORKINGS OF <br />THE BEAR N0. 3 MINE, OPPOSITE THE TOWN OF SOMERSET. BEAR COAL COMPANY <br />SHALL INSTALL AND MONITOR ADDITIONAL MONUMENTS ON THE LANDSLIDE <br />DEPOSITS, IF NECESSARY, IN ORDER TO OBSERVE THE POTENTIAL DISPLACEMENT <br />OF THE LANDFORM. THE DETAILED TECHNICAL ANALYSIS SHALL BE COMPLETED AND <br />SUBMITTED TO THE DIVISION FOR REVIEW AND APPROVAL. BEAR COAL SHALL <br />LIMIT FURTHER EXTRACTION TO DEVELOPMENT ONLY, NOT TO EXCEED 50% <br />EXTRACTION, IN ACCORDANCE WITH THE DETAILED PLATE INCLUDED ON THEIR <br />REVISED "MINE PLAN" MAP, MAP N0. 9. NO RETREAT MINING SHALL OCCUR <br />WITHIN THE REMAINING PORTIONS OF THE BEAR N0. 3 MINE, PRIOR TO THE <br />RECEIPT OF WRITTEN APPROVAL FROM THE DIVISION. IF SUBSIDENCE MONITORING <br />EXPERIENCE OR THE DETAILED STABILITY ANALYSIS INDICATES THAT RETREAT <br />EXTRACTION WOULD ADVERSELY AFFECT THE STABILITY OF THE LANDSLIDE <br />DEPOSITS OPPOSITE THE TOWN OF SOMERSET, THEN BEAR COAL COMPANY SHALL <br />SUBMIT A REVISED LINIITED EXTRACTION MINE PLAN FOR THE BEAR N0. 3 MINE, <br />DESIGNED TO PRECLUDE DISRUPTIVE DIFFERENTIAL SUBSIDENCE OF THE LANDSLIDE <br />DEPOSITS. <br />