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Stipulation No. 16 IN THE EVENT THAT THE AERIAL PHOTOGRAMMETRIC MONUMENT SURVEYS FAIL TO MEET THE STIPULATED ACCURACY CRITERIA, MCC SHALL UTILIZE TRADITIONAL FIELD SURVEY TECHNIQUES TO ESTABLISH THE REASONS FOR LACK OF CORRELATION. IF THE RESULTS CANNOT BE CORRELATED, MCC SHALL RESUME TRADITIONAL FIELD SURVEY MONUMENT MONITORING, IN COMPLIANCE WITH THE ACCURACY CRITERIA AND STANDARDS CONTAINED WITH STIPULATION N0. 15. STATUS: Forgiven Stipulation No 17 THE DIVISION DIRECTS MCC TO SUBMIT REPORTS OF ITS SUBSIDENCE MONITORING PROGRAM ON A SEMI-ANNUAL BASIS, COMMENCING ONE MONTH AFTER THE INSTALLATION AND INITIAL SURVEYING OF THE SUBSIDENCE MONUMENTS. FURTHER, DUE TO THE COMPLEXITY OF THE PERMIT AREA, GEOLOGY, PRESENCE OF LANDSLIDES AND STEEP SLOPES, AND SENSITIVE HYDROLOGIC ELEMENTS, MCC IS DIRECTED TO SUBMIT A PROPOSED SUBSIDENCE MONITORING REPORT FORMAT TO THE DIVISION FOR APPROVAL. THIS REPORT FORMAT SHOULD RECOGNIZE THE IMPORTANCE OF CONTINUAL UPDATE OF SUBSIDENCE DATA INTERPRETATION, MONITORING OF GROUND WATER LEVELS AND SPRING FLOWS, MONITORING OF MINE INFLOW, AND SUBSURFACE GROUND CONDITIONS WHICH COULD 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 MCC'S NOVEMBER 1984 PERMIT REVISION APPLICATION (PANEL iW-15). In a memo dated March 5, 1990 from Matthew Hayes, it was determined that this stipulation could be terminated as of October 27, 1989, because it was incorporated into the permit on page 3-78A. However, with the reorganization of the permit (TR-59), this stipulation was not included. Page 2.05-147 was updated to include this commitment but did not specify the approved format. During the process of NOV C-93-006, it was determined that the format being used for the reports was the approved format. STATUS: Terminated Stipulation No. 18 THE DIVISION DIRECTS MCC TO COMPLETE A DETAILED ANALYSIS OF THE POTENTIAL EFFECTS UPON THE SLOPE STABILITY OF THE LANDSLIDE DEPOSITS ADJOINING BEAVER RESERVOIR. MCC SHALL INSTALL AND MONITOR AN APPROPRIATE SET OF MONUMENTS ON THE LANDSLIDE DEPOSITS IN ORDER TO OBSERVE THE POTENTIAL DISPLACEMENT OF THE LAND FORM. THE DETAILED ANALYSIS SHALL BE COMPLETED AND SUBMITTED TO THE DIVISION FOR REVIEW, PRIOR TO REQUEST FOR APPROVAL TO EXTRACT COAL BENEATH THE LANDSLIDE DEPOSITS ADJOINING BEAVER RESERVOIR. Because the permit area boundary still includes Beaver Reservoir and the adjoining landslide deposits, the stipulation status will remain "future." STATUS: Future -6-