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MASTER TABLE OF CONTENTS <br />III.A.7 Subsidence .................................................................................................III-9 <br />• I II.A.7.a Subsidence Area Survey .......................................................... III-9 <br />III.A.7.b Subsidence Control ................................................................... III-9 <br /> III.A.7.c Subsidence Prediction ............................................................ III-11 <br /> III.A.7.d Horizontal Strain Prediction .................................................... III-14 <br /> III.A.7.e Pillar Failure Subsidence Potential ......................................... III-14 <br /> III.A.7.f Conclusions .............................................................................. III-14 <br /> III.A.7.g Subsidence Prevention ........................................................... III-17 <br /> I II.A.7.h Damage Mitigation .................................................................. III-18 <br /> III.A.7.i General Subsidence Control .................................................... III-19 <br /> I II.A.7.j Red Wash and Scullion Gulch ................................................. III-19 <br /> III.A.7.k Subsidence Effects on the Powerline ..................................... III-21 <br /> III.A.7.1 Subsidence Monitoring Program ............................................. III-22 <br /> III.A.8 Mine Ventilation ........................................................................................ III-26 <br /> III.A.9 Underground Transportation .................................................................... III-28 <br />III.B Surface Support Facilities ....................................................................................... III-28 <br /> 111.6.1 Coal Handling and Storage ...................................................................... III-28 <br /> III.B.2 Coal Preparation Plant ............................................................................. III-29 <br /> 111.6.3 Refuse Disposal ....................................................................................... III-29 <br /> III.B.4 Temporary Coal Laydown Area ............................................................... III-30 <br />III.C <br />III.D Auxiliary Facilities .................................................................................................... <br />Utilities ..................................................................................................................... III-30 <br />III-33 <br /> III.D.1 Electric Power Supply .............................................................................. III-33 <br /> III.D.2 Water Supply ............................................................................................ III-34 <br /> III.D.3 Sewage Treatment ................................................................................... III-34 <br /> III.D.4 Telecommunication .................................................................................. III-34 <br />III.E Coal Loadout and Railroad Facilities ...................................................................... III-34 <br />III.F Miner Rescue Inftrastructure ................................................................................... III-35 <br />IV. MINE SURFACE FACILITIES OPERATIONS PLAN ............................................................IV-1 <br />IV.A General Description ........................................................ ............................................. IV-1 <br />IV.B Mine Portal Facilities ...................................................... .............................................IV-2 <br />IV.6.1 Mine Entries ...................................................... .............................................IV-3 <br />IV.6.2 Mine Service Buildings ..................................... .............................................IV-4 <br />IV.6.3 Rock Dust Bin ................................................... .............................................IV-4 <br />IV.B.4 Explosive Storage ............................................. .............................................IV-4 <br />IV.B.5 Surface Blasting Plan ....................................... .............................................IV-4 <br />IV.C Coal Processing, Transportation and Storage Facilities .............................................IV-7 <br />IV.C.1 Conveyors .......................................................... .............................................IV-7 <br />IV.C.2 Rotary Breaker ................................................... .............................................IV-8 <br />• <br />Permit Revision #6 (3/2008) <br />