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<br />lAemorandum
<br />~ To: StatC Director, Colorado (CO-9I)
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<br />From: District 14anager, Iluntrosc
<br />Subject: Comments to 1•Jestern Slope Carbon, Int.'s l•tine Degasification
<br />Plan for thr. Ilao-rk's Nest 1.1inr., Federal Cnal teases C-17130
<br />and D-D42921.
<br />Ihy staff has rcvicwcrl the mine derlasifical.inu {Ilan :~; sub~niCted by
<br />iJestern Slope Cal'bon, af. our rCquesl, Lo lhr Iduntrn~,lt District Offir.t
<br />(enclosed). Uue to !.ite urclenC nc~'d for LhiS, rcvi~.r;r, ~,r, have.PreparerJ a
<br />response to this plan r,rther than r'rlitinrl fcrr a (cuin,~l rrgttr;t that
<br />would normally be cltannraed thruulJh the Cnlnrarln 4i{.I<l1-U;I'. flrocess.
<br />hly Coquncnts LO thiti dl''.la';111Calinn pl;ul .ur ,r •: frllllna~,'. ~s_
<br />(1) A r•ighC-of-o-triy is nr•Ir~~,t,ary for Lll~r.r"'lu,tl,iun•, trf Lhr prr,pn;r,l
<br />access road" o-ril.hin SecCirm ;, (.IS `. I'.')l1 4:., Gth V'.I'i. lal.lt. leads
<br />to drill siLh D.II.'Y.', and trhir.l, i:, nut, rnl cit.hr.r lra,4r1 or fr,e
<br />land (sec enclosed in,ip).
<br />(2) Road consl:ructinn anal iinl,rovcwruL; •..hl:ulrl I~~' ¢.npl, fu ,, winiinuni. In
<br />those areas tdhcro nvcrlancl travel ic. lu,-r;ibll: I,here should he no
<br />blade work.
<br />(3) IJeo-r roads and olrl roads shall he ouC;lolled, and provided with water
<br />turnouts and ch•aina9e depressions where needed. The drainage ~.~
<br />depressions o-rill have a mininww depth of !i/10 foot (G inches), a :.'Fi{+
<br />"Ninimwn widCh of four (4) fret, and .i 2^, outsln1ie. :.,-~.Tl,..;...
<br />(~) All mud pits ~uusL br en Lircly fcnr.cd ::ill; at. lcasC 1.~ four (h) foot
<br />high wire fenc^ (ra ther Chicken wire or 2r.-1 inch c+ire). The fence
<br />must remain in place as long as the pit', ore active or until the
<br />vralls have been sloped bacl. Co a rol in ul nn 1. ;•.,rlre Lhal. J.l.
<br />(b) Drill Cuttin(ls nulst nut be dill+ n~.r,l of nr, tll'Cr'.aurta~ilt. The chill .
<br />.
<br />• rutti n95 II1115t C1LhCl' hL reUlUVed for dit•pn'.,al in an';yl.(r{ri'OVr.d land-
<br />fill, or placed in Lhr marl pit and c nvcrl;d o-rith L<~;isgll.
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