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• 8.0 FRACTURE-CONTROLLED DRAINAGES .............................................................................................16 <br />9.0 WATER AND METHANE..»..»».»..»..........»..».»....»....»..»...........».........»».»..»..»....».....».»».»..»....».»17 <br />9.1 POTENTIAL IMPACT OF WATER ON SUBSIDENCE IN WET MINING AREAS ......................................................... 18 <br />10.0 POTENTIAL IMPACTS OF SUBSIDENCE AND MINE-INDUCED SEISMIC ACTIVITY ON <br />LANDSLIDES AND ROCEFALLS .........................................................................................................................18 <br />10.1 LANDSLIDES .....................................................................................................................................................18 <br />10.1.1 Effects of Subsidence and Mine-induced Seismic Activity on Landslides ...............................................20 <br />10.2 ROCKFALLS ......................................................................................................................................................20 <br />10.3 IMPORTANCE OF BASELINE LANDSLIDE AND ROCKFALL DATA .........................................................................22 <br />11.0 EFFECTS OF SUBSIDENCE AND MINE-INDUCED SEISMIC ACTIVITY ON MAN-MADE <br />STRUCTURES AND RENEWABLE RESOURCES .............................................................................................23 <br />11.1 MINNESGTARESERVGEt ................................................................................................................. ....................23 <br />11.2 STOCK WATERING PONDS AND U.S. FOREST SERVICE WATER RESOURCES ................................. ....................24 <br />11.3 STREAMS Arm Drrcl>ES ................................................................................................................ ....................24 <br />11.4 SPRINGS, WATER-BEARING 7ANES, AND GROUND WATER WELLS .............................................. ....................26 <br />11.4.1 Springs ................................................................................................................................. ....................26 <br />• 11.4.2 Water-Bearing Zones ........................................................................................................... ....................27 <br />11.4.3 Ground Water Wells ............................................................................................................ ....................27 <br />11.5 ROADS .......................................................................................................................................... ....................27 <br />11.6 BUU,DiNGS .................................................................................................................................... ....................28 <br />12.0 IMPACTS BENEATH THE MINED E COAL SEAM ..............................................................................28 <br />13.0 POSSD3LE SUBSIDENCE CONSEQUENCES ..........................................................................................28 <br />14.0 POTENTAAi, IMPACTS FROM LOCAL SEISMIC ACTIVITY ............................................................29 <br />15.0 SUBSIDENCE CONTROL PLAN ...............................................................................................................29 <br />15.1 ANTIC~ATED EFFECTS ............................. <br />15.2 REDUCTION MEASURES (UNDERGROUND) <br />30 <br />30 <br />16.0 SUMMARY AND CONCLUSIONS ............................................................................................................30 <br />17.0 REFERENCES ...............................................................................................................................................33 <br />• <br />II <br />