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TABLE OF CONTENTS <br />~ <br />i EXECUTIVE SUMMARY 1 <br />~. <br /> INTRODUCTION . 4 <br />r <br /> MINING ENVIRONMENT. 5 <br />~ CHIMNEY SUBSIDENCE POTENTIAL. 11 <br />L <br /> LONGWALL PANEL TROUGH SUBSIDENCE PREDICTION 15 <br /> LONGWALL PANEL GROUP SUBSIDENCE PREDICTION. 24 <br />- PREDICTED LANDSLIDE SUBSIDENCE EFE'ECTS. 41 <br />`~ CONCLUSIONS 45 <br />^ REFERENCES. 96 <br /> APPENDIX A. INDIVIDUAL LONGWALL GROUP MAPS 98 <br />I <br />--. <br />APPENDIX B, GRAPHS USED TO PREDICT SUBSIDENCE EFFECTS. <br />49 <br />r <br />~~ <br />L <br /> <br /> <br /> <br /> <br />~~ ~~ <br /> <br />