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