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4. 1.4 PRCF:FILLING AND GRADING <br />• <br />4. 14.1 General Re uir•erner~ts <br />The mining operati~~ns of La Plata C~~al Gor•p. will n_~t ernpl~_~y <br />the ~.~se .f conta~_ir nur~iny, open pit rnir~ing, ~~r area strip <br />rnir~ir~g techniq~_ies. Rather, the rnininy tec.hr~iq~.ies t.. be ~_rsed <br />by !_a F~.lata Coal Corp. will be ~-ir~dergro~_ind rnin3ny with a <br />room and pillar techr~iq~_~e. See Section ~_.05.~. <br />Rt the c,_~rnpletu:n ~=~f m.irnng a~ti~itres, th-~ s~.vface areas <br />dist~_~r•6ed ir~crder~tal t~.-~ the ~.ir~der•gr~~~~_ir,d rnir~ir~g will be <br />backfi'.led and graded, gdd.itional detail of the bacltfilling <br />ar~d grading for the s~_irface facilities and portal areas of <br />the La F'lata #1 r^rr~e is set forth ire the rep~~r•t _~f S~_inDRLE <br />• Eng n•~eerir~y, Wayne M. Dale, :'. E. See t_r.hibii 7. <br />4__14.8 -General Girad in Rc~_r3_iircanients <br />The final graded sl~~pes ~~f the s.irface facilities and portal <br />errt r-y l~~cat i~~ns wail he rest r~red as sh _~w~n r,r~ the P. Est-Mining <br />T_~p~_~yr-aphy Map i^1ap 1c). Gs rn~_rch as p_~ssit~le, La p'lata C~~al <br />C~~rp. will retain all _~ver6~_irder~ material ~_n s~~lid p~~r•tior~s <br />cif existing or riew her:ches. <br />Final grading will he dr nt: al~~ng the cor~~t~~~.rr, unless a <br />specific area wc~i_ilci cai_rse a safety hazard t~~ the _~per•at r_~r•. <br />See Exhibit 'i. I-he steeper area will be stabilized with <br />the ~_ise of farming egi_uprner~t by disking, chisel p1~=~wi~ng, <br />• ar~d/or F~_~rr•owir~g. <br />4.14-1 <br />