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.-, <br />rage ~ <br />[ue remaining recnveraSiP roll in the L sPac, avst ue recovereu >.nile equip- <br />r <br />ment spa aPrvices are intect ii it is ro uP recnverPa at all. <br />hei_rtt of nverl}•ins atrota iA suppnrt.•u oy pillcrA in a mine. Tnia fncus- <br />inb oY cocpressive 1nrCF.6 iw trans:aitceu vertic:.]ly, inr.r„ iA nn evidence <br />02 suosicence in tnP ur.ar cline. InerPtore, it can be deduced [hzt the sizr <br />of pillars sr.u the cnv,petencP n[ the fionr atlu roof are adequctP to surpnrt <br />the ~e.ieitt of nvcrlyinb strata. <br />knen cining of the 1; EecW C06~LP.IICP$, pillars in tuP b seams .:~st be aliEneu <br />with thnwe in the 0 seaa.. IS' a large oloc.: nt coal is left unmined in me <br />G seaW, v blurt ruAt hP 1Ptt in the i5 6eGCi eorresoondin~ in erea and <br />directly bPlov [nom `v]ncA in the G ae zc: Tne coWpresEive LO rf.PR in [ils[ <br />block (a seau) dill ¢a;:e extraction hazardous it nn[ i¢pnssiulP. There- <br />fore, cool nit mined in the (. sent s:i.ll oe _ulciplied by~3 for tot el coal <br />lost: mining ir. G sea:; is overage G 1/2 t[ heibat; mining in t. aeau should <br />average 12 i't-nci~~,:~[. <br />1nerPinrP, the Geolnsical Survey reco~aenue approval of the plan and issu- <br />ance of the necessary pcr~itA conditional [n a stipulation, as folloc.s: <br />w l.11 Winanle coal in [ne G APLS r..ust bP Pxtractea as quickly ana expe- <br />- '`~ citinusly as pnAA1L1P.. Y111ar5 cult be left, z;,prnximsrely 57 x 57 it ir. <br />~ size. Ti1P a:~nunt of coal snticioated [o be extracted is 700,CuU to 60u,Gd0 <br />tons. IaP Geological Survey will direct the operar~r on s regular perinaie <br />oaAis of r.nat roal r'uat bA er.trscteu am rhicn pillars are to remain. <br />It is not ar.tiripatPd that this final extraction of reenverable coal Lill <br />siznitican[ly aiiect eir.ina_ nt [hr upper seanA, as Ions rs pillars arc <br />alil:ne~, <br />i:ay¢or.;. G. i.erzc~• <br />cc: liuN.-ht, ~:. <br />xc;u:ce¢:U6/1I/~1 <br />-~ <br />Ilil ,~ <br />1 ~ <br />,I~ ~ ~ <br />I 111 dlili <br />. . <br />