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<br />
<br />F'A9E 4
<br />destpn ~:vr.n*.. In tktq rase .:f tftr= ponds at Trapper tFte principal and
<br />cmergen~_y spillways are •=ambined in an open ~=hannel =onfiquratic~n,
<br />The prim=ipal spillway channel is located below the emraraency
<br />spillway ~=Flannel. The two ,_ftann=~ls are seperal:ed by a f.%..t c.f
<br />fr~reh~:•.rd. TFte emergen~:y spillway ~.~ill a~_~=r~mmr~datr tfte dr-sign event
<br />withr_ut. ~-c+.pa~_ity of the pr i.rn=ipal. spi.l.lway. Tftc,rmfrrnr +,he +.wc,
<br />=,pillw~•.ye= th~~ugh c~~mbined in :•. ~=inple •=ha.nnel will fun•=ti~~n
<br />separately.
<br />The in=.pe~_t i.~_n _~f p~-~nds als_ i.rn_1Lrded cab=ervati.c~ne. .f the 7r_,hnson
<br />8u.lch n'ondc; #FE i;hrough i#lir, No-I+la.me GLtl~_h ft<:, t#4, ar-,d #"=p, East
<br />1?uzzarcJ ;#J. and ##2, 41es+. Hazzard i01, ##::, and #3 end ~~ne pond at E1 F::
<br />~~U1•_h and t_•.ry,-,te Dam. r,ll the ponds w~•re fi:•und t~~ he in q"~~d repair
<br />cr.c^f:•t 1•Jc.-dame ~F'. 4)e c•bservc,d that the upstream end %•f the spillway
<br />is in named _•f some miner repair. Hu~:f a,_ti~_n frr_,m grazinn :a.ti:le
<br />riamaa~d *.hr:• i.nfl~~w t~'~ the ap~.]Iway. TF-~~~ miner damage w~.+~ n~_~t
<br />sufficient ennllgFl to warrant. ,.n enfc~rcem~nt a•_ti~sn. The operator.
<br />ir~di~=at~,d the area will. be r^gair :d to pr e,;snt the pose=ibil.ity _~f
<br />incrr_ased pr,_,blems with the= =_pillway. Timely repair will als~_
<br />pr~clLrde the pc,ssibi] ity ,~f ~ future enfcrrc~ement a._tion.
<br />M.ininrr Areas:
<br />41e inspr,_ts.cr each -+f the a~.t.i.ve mining areas r,=s ~:'e1.7. --_ ~:he prcf,~_=ed
<br />mininn ar-e:+=-. Thr_. ar_tive mining areas in~:_lude 1:h~ A=hmot-e, En~Fi._ld
<br />and Derringr?r pit•-. The propc~=ed ar==a<_; include the Celt end Erc,wni.nq
<br />Fit=...
<br />At the= Ashm•:rs. pit 'd'.• .~~b=:eried the nr„d haa.l. r-,c..' .. ••asrt.=i~~n •.hi.ch is
<br />ccrrrr,~ntly t-ender _onstructic~n, 'mar =..:~nfirrr_d ~;;ae{ dr~~tin=+~rc _~~ntrol
<br />•=i~r~lrtur ems, w=? ~~`)4eYVF'd ash di.spo=a.l ad jac cot .. the t~~,r,; _ut -:pail=_ at
<br />]:he n~_•rth end :•f tltr_ aroma., and we observed ^rot!.nri w?.tc-tr monit_~rinD
<br />well=. r~ea.r T_thnsc.n ~3u1ch Fond I#6.
<br />With rr?c.=pe•_*. to the ~•sh disposal wr oFtsnrved that tFirv mat~r.ial i=
<br />bein^ degc~=iced in ar. area ad,ia~.ent to ar-~d ab~~+.~~ Johnson Gal~_P~ Fond
<br />#E. The -q~_il mater-ie.ls represent- :a bpi: cat spo.i.l area that was
<br />created as a result of mining in 1985. The sp~~il i.=_ nr_t final graded
<br />br••-aLr~so it will he used to bay=F::fill +-fte area. F .eft dispr~sa.l ~:n~=e
<br />depo~-i.' ~-•n :;f +:hat mat~,rial is _amplretrr. Wn nbsr.rrvnd that the inflr~w
<br />t!~ pvnd ##6 is .lo~_ated in spr~il. Thy sp~_•il zea nr_t particular-ily stables
<br />with rr;spr=..t to ersoion. We die-cu=_sed t;-~e r~=q~_iirc=ment~ ?f
<br />=OntF?mpnYan6'C•U~ reclam~tic.n ?. __ rpl!?#:es _ tFte ~~r~=a. The sp~.~il ma}• not
<br />be r~•_7 -a i.mc-+d until 1993 beraUS[ of the _.sh di..ocsa.l. A review f our
<br />mine pl.in file-~s up~.~n my r_turn tr tF,~ =~Ffi~=r? indicate= tfta.t Trapper
<br />Mininn_. In.., received appr~=~va7. .f Te•=ftr,i~.al ~:e•visi~=~n ..~ fc•r ].~=~nq term
<br />ash dispc~=_al at the site in Octoh~~r 1986. In tha': rr>gard the delay in
<br />=orttemporane~t+us rr-:•,:le.mati~;n ~;r the fa~_i: tftt+.t rs,_:].amati_•n is -_,_urinr~
<br />as .~:ntemp~~raneously as p~_~a:il_~le ,riven the situation is an approved
<br />Pr~~'=ti'=°•
<br />Ai; i;h~= Fnfi.eld Fit we briefly observed the a.~=five mininn areas, and
<br />rr-+r~,,nt1y =onstructed SC'S st_~~_F.. pc~nr-Is. The [?c~nd- ar-e r-eIa*.i~.=.ly new
<br />znd therefore have not. been ~uhj=cted t~: the pr~~bleme_ that .an h~
<br />=,u~Srd by =now molt. The ~apmratr~r indicated {;ha.t ';ham p~;nds;, wren
<br />=.on,trLi •_ted .f fill. =ompacted with a dc•z er. Ar, st a.ted ah _~vr?
<br />additicmal review cif the infield situation ver_,e=_ the c~~nstru:_tion
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