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• General <br />Seneca Coal rbmpany has previously auger mined a[ the Seneca II Mrn~ hack in the mid- tc late <br />1980's. We are now Pmpostng to auger mine the azisti ng and future final pi[ hi Shwalls ar Seneca <br />II-W as shown tin Eahr tit 1L-3. Recovery of the se ear st inq coal r=serves wou ld ethe seise be lost <br />srnce w e are a[ the econamtc recovery limit of out st rippi ny equipment. The proposed operations <br />r nvol ve auger mining only [he Wadye coal seam. <br />Fer regulation 4.23.2111, any auger mrning associated with surface mining activi ties shall be <br />conducted [e mar.i mi ze recr•vesbrli[y of the coal reserves remaining after [he mining acti vibes <br />are compl e[ed. Ther=fore, auyer minrny op=scions shall leave areas of unrJrswrbed coal to <br />prey ide access for rem~•va 1. of [hose rese sees by tuUrre unde ry round minrny acnvi[ies. These <br />undisturbed areas of coal shall be a minimum of 250 feet wide at any point between =ash group of <br />auyer ep=rings r_o the full depth of the auger hole. They also are to be nn more than L, 500 feet <br />apart, measured from [he center of ere section to [he center of the next sect u•n. As sheen on <br />Er.hibit 12-3, we are prr,(~~~siuy to leave five of these 250-foot barrier prlla r.v. Srr rs <br />requesting a ear ian~e en the 2, S00-four spaci ny requirement. The pr~pos ed tarrr~r Pillar <br />l oca tlens wera chosen because these areas are marnly Sn fhe deepest ovea bu oleo locatrons along <br />• [he final hryhwal 1. These prllar locations were ay ['eed upon by cCC ar,d the Mr ne Jnfery F Health <br />Adinr ors[ration (MSHA( fr~l lover ny the initial revrew of our t-0SHA l:r•,und Cent rnl Elan F~vr sea <br />Auger Mining Addendum. SCrI an.i E'eabcdy Hcldiny Ccmpa ny, Inc. have lonl:ed at undery n?u od rni ring <br />a[ [t:e Seneca II-W Mr ue an,9 [I're ?mire surroundi nq area and have Bete rmu~ed that [his proposed <br />auyer area would no[ b= an ideal loca Lion for a pnr tal. Them are several other srr~s r.hal. would <br />be br•CteC sru tea for pot=vital portal locations. <br />Role -0.:3.242) is beirry c-•rnF~.lie%1 with already, since There are no aband~med or a. [n~e undarg round <br />worYings wi Chin SirU feet of the prepr.s ed auger operations. <br />In [he intere.+t oI ron [einpo ra nexus reclama[ron for 4.23.!1"sl, auye ri ny will b? cr•mF.L[ad as soon <br />as p•~ss rble after the su fnrF coal has bees, rert,nved. The duyeri ng operations wi I] b•• fnllowrng <br />the dragline str iF'pr ny operations along [he entire length of the final highwalr .,s shown on <br />Erhibrt 1?-i. <br />For nibs 4.J3.2 (41 and a.; !.CI51, epecial pl ugyinq pu.cedur es are not propr~s~d inr riii.~ set. of <br />auyer holes. Tl:e M1c~les wrll r~~ pl uyy ~.i by Gachfr ll my opur dt~m,s as a normal per[ .•[ rhr <br />• <br />1.-:(-J q",: , ,1 blrnp <br />