TR  / RI-9198 <br/>
J. S. Walker <br/>
       Case study of the effects of longwall mining induced subsidence on shallow ground water sources in the northern appalachian coalfield 
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<br><U>Copy Details:</u><br> Acc. No.: <b>TR1142</b>, Full Call No.: TR RI-9198,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>