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-5- <br />• REPORT FORMAT TO THE DIVISION FOR APPROVAL. THIS REPORT FORMAT SHOULD <br />RECOGNIZE THE IMPORTANCE OF CONTINUAL UPDATE OF SUBSIDENCE DATA <br />INTERPRETATION, MONITORING OF GROUND WATER LEVELS AND SPRING FLOWS, MONITORING <br />OF MINE INFLOW, AND SUBSURFACE GROUND CONDITIONS WHICH COULD BE CORRELATED TO <br />SUBSIDENCE PREDICTION. THIS REPORT FORMAT SHALL BE APPROVED BY THE DIVISION <br />PRIOR TO THE COMMENCEMENT OF EXTRACTION OF COAL WITHIN THE SUBSIDENCE TEST <br />PANEL DESIGNATED IN APPENDIX A TO WECC'S NOVEMBER, 1984 PERMIT REVISION <br />APPLICATION (PANEL 1W-1S). <br />STIPULATION No. 19: THE DIVISION DIRECTS WECC TO COMPLETE A DETAILED ANALYSIS <br />OF THE POTENTIAL EFFECTS OF SLOPE STABILITY UPON THE STABILITY OF THE <br />LANDSLIDE DEPOSIT LOCATED ABOVE THE TOWN OF SOMERSET, REFERENCED ON PAGE 30 OF <br />EXHIBIT 3.4.8.A OF THE REVISED PERMIT APPLICATION. WECC SHALL INSTALL AND <br />MONITOR AN APPROPRIATE SET OF MONUMENTS ON THE LAND SLIDE DEPOSIT IN ORDER TO <br />OBSERVE THE POTENTIAL DISPLACEMENT OF THE LANDS FORM. THE DETAILED ANALYSIS <br />SHALL BE COMPLETED AND SUBMITTED TD THE DIVISION FOR REVIEW. NO PILLAR <br />RECOVERY SHALL OCCUR WITHIN THE AFFECTED PANELS PRIOR TO RECEIPT OF DIVISION <br />APPROVAL. IF SUBSIDENCE MONITORING EXPERIENCE OR THE DETAILED STABILITY <br />ANALYSIS INDICATES THA7 SECONDARY EXTRACTION WOULD ADVERSELY AFFECT THE <br />STABILITY OF THE LANDSLIDE DEPOSIT ABOVE THE TOWN OF SOMERSET, THEN WECC SHALL <br />LIMIT THE EXTRACTION OF THESE PANELS TO 50X. THE AFFECTED PANELS ARE THE <br />THREE NORTHERN MOST PANELS TO THE WEST OF THE MAINS WITHIN SECTION 17. <br />• Stipulation No. 20: THE DIVISION DIRECTS WECC AS A PORTION OF ITS SUBSEQUENT <br />PERMIT APPLICATIONS FOR THE MINE TO SUBMIT A REVISED SUBSIDENCE EVALUATION. _ <br />THE SUBSIDENCE EVALUATION FOR THE NEXT PERMIT PERIOD SHALL INCORPORATE THE <br />RESULTS OF SUBSIDENCE MONITORING AND THE LANDSLIDES STABILITY STUDIES <br />STIPULATED ABOVE IN DESIGNATED REFINED SAFE AREAS BUFFER BOUNDARIES TO BE <br />OBSERVED IN THE FUTURE MINING BENEATH CRITICAL AREAS, INCLUDING THE DRY FORK <br />OF MINNESOTA CREEK, BEAVER RESERVOIR AND THE LANDSLIDE DEPOSITS ADJOINING IT. <br />THE AMENDED SUBSIDENCE EVALUATION SHALL INCLUDE THE PROPOSAL OF APPROPRIATE <br />SUBSIDENCE MONITORING NETWORKS WITHIN EACH OF THESE CRITICAL AREAS. <br /> <br />