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<br />I I 1 ~ (• l i )RECEIVED
<br />^rl•; .,11,,, vI ti 602 C-073:501
<br />. ~ DEC 161980
<br />111\\'I I:II ICI I:\I rl'.Ihl< ~~
<br />Ill \\'I R (~ 1I r,l: \lu1 vn~~_~~' LAHD REQ~~nON-COµ
<br />U.: c'c" h7ft ill., OB `,1~1y~ y~~II~CES
<br />Rel;iunn.l USrcc [ur, (ii Cicr_ of Surf.u.c ;'in i.ng, Uen vcr
<br />AeLil~l; IIIStI'I~'L "inl nl; tiul,~vir;ur, Ilen r~r
<br />:Itni.ng plain, 1Slnc Ribbon acne, c•,:IL I~:I V.d C-1133701,
<br />Sunflower F:ne ri; •: Cur pornCi,n (r:ublrn:;~)
<br />"I'h is ufCicc !we :evl co-n•d Chr rlini.n~ Anrl ice lunar ion plain dnCed 17c [ni~cr 2/, 1950,
<br />,`. or- Ch._ nndergrnulld hl uc Iii bbnn ~linc ns Co chc rL_ve to pmenL, prodncCinn, rcr:oui re
<br />ri'CGVI~CV .I nrl pI JC uCC1 Vl1.
<br />'f,i mnhe tlc plan of rainini, opc rAL i~,ns ~;a[isf ac [or j, Chc fo11.o~~~i.n~ infnr:nne inn is
<br />nrcded:
<br />iia rruCivu SecCirm - iiin inr, P1An
<br />1. i)iscu5s r.ho devclupr.lcnc of Lhc Ia.Ain enLri.os };i•:int; number nC cncric~,,
<br />unCrv wid[IIS and ceuCCri.ine Ili.scanccs.
<br />2. Uiscuss developlnenc of panel entries oti [he ruin en Cries, givin±;
<br />sequence cl deeeiopmen[ and mining of [ire panels.
<br />3. Uiscuss evpicnl plan for min inL~, coal ~:~ilhin Lhc pnneLs. ViLI chc rooms
<br />be mined on buLh sides uC p;u~cl enCrics or one side only'? Idi1.1 rooms be mined
<br />b ;idvancc nr rcircn[~ mining InrUlrnls'
<br />',. Civc ru~iunal,~ fur GO-foo[ wide panel barrier pi ll.irs.
<br />tune La ~~ou[ ifA
<br />Tllr_ mine plan Iaap should sho,.a all Inca su rclnon[s Cor develo pru•nL of. ciic mA :.n
<br />cnu ics, p;u~c1 en cries, rooms ;ind hurl icr pi.Lla rs. T'nr clap shoo lJ tho:: scn ucnc_•.
<br />oC devclopinl; panel en[ri us, sequence oC minim; p,inels and ^ CypiviL plan fur
<br />rood and pillar Wining o[ a panel. TIIe plan should designACe areas [o be mined
<br />Annually for n[ 1cASL Lhc first 5 vc:lrs of upeclCLons.
<br />'flli;; ufCiec wilt i.urn i::'n a rcpnrC ~n Chu ruldp Lcec nLln nClc•r [hu ai>u`.y:,~„-.~..'.
<br />AuaiL i,mAL infol m,lc ion h.is been s,Ibmi CCCCi An,l ,c~~i r~::rd.
<br />, _. .. , ~.
<br />Ar r_hic L. Carver
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