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r,,..r.,- L,~..,- <br />NY 'fign6'n• -Cd'1 ii t~'l n"~ r.hey' .yrE difii~~s~:. '-iir ~_~ll i]}~ SCri;ipny t~~pc~_~11 f=~r <br />she W1 nt @'r"". i-~ie Sal r" t47 a'i: i; ley }1 a'ti~e _: C!i0d ur lr ti}ii3d ii. i:ii iyC: t}1 i~ °e=,° plt <br />but it is nc~L critical for mining at; ibis time so it probably will <br />n~~t be affected until rrcr:t year. T}ley d~~ }lave t~~ r-cm~-eve t~~psoil ._•. <br />the lower end cif "R" pit in order tc~ continue in t}-iat area. The area <br />is below the mountain shrub _one s~~ t4-~ey do n~~t he.ve tc~ brush it. <br />5~_~ine stripping had 6eer~ d~-one earlier in the week: prior t~~ snow fall. <br />One of t}ie pr~~hlerr~s on the mine with sediment ~_~~ntr~~l b~.sins in the <br />past has been the heavy accumulation of suspended solids in the <br />initial pond in t}re series be~_ause of runoff fr~~m raw spoil and mine <br />water t}-~at is pumped through t}.e drainage. The cc.mpany now puts in <br />dozer basins to tre.p and stc,re sedimen ~~n the newly stripped areas <br />and regraded spoils. Some Of those basins were being construe=ted on <br />the north eastern end ~_~f the Ashm~~re pit w}-sere t}-~e dragline, the <br />"E~aby D~~e", was c~peratir~g. Very little water was. r~c~ted iri t}-~e <br />nc,rthern er-~d of the pit. It was not being dewatercd during the <br />inspection. <br />F'ortic~ns of s~~me of t}ie rep=l~~irr~ed drainages were inspected. Of <br />those, t}-ie draw below t}ie Dierenger- pit was receiving mine pumped <br />water. fd~~ Na~ire Drainage also had mine water water flowing through <br />it. A11 of the newer' reclaimed drainages now have been topsuiled <br />before they are treated fc~r water management. Erc~sior~ _c~~ltrol <br />matting is t}-~en laid down „ver the topsoil. Ir. additic~nr ro~_4: check: <br />structures are set ire the drainageway c}-~anr~els in inervals determined <br />by the length and fall of the regraded slopes. The stru~_tures are <br />4:eyed in and lined with fabric tc~ prevent undercutting. Most of them <br />appeared L'o be stable wit}i very little maintenance needed after- they <br />were installed, Livestoc4:: waterinU tan4::s have been installed in <br />diversions along the rr~nt4Lrr that drop int.=~ the drainageways. These <br />are mine plan approved structures with an acre fc,ot or less rapacity <br />and no drainage greater than 10 acre in size. The inflow end of the <br />tank is the upper end c.f the diversion with the outfall being the <br />lower' end .•f the ditch. There does not seem to be any erc~si~~n in t}re <br />ditches. Mr. Agnew indicated that occasionally they F'~ave tc~ do <br />somet}iing with t}re sto..4: tan4; inflow ~~r- outflow stru.=tares but ot}rer <br />than t}-iat they have not encr_,untered any problems. Contours set in <br />c.n a t}rrec- percent grade are now being pr_rt in on a temporary basis <br />according tc. Mr. Agnew. He indicated that they are ta4:en out on an <br />incremental basis as permanent cover grows in ~~n the reclaimed areas. <br />He did oat mention whether they were going to leave the stoc4:tant::s <br />al~_~ng the contour ditches in or not but I assume that they will be <br />permanent since t}-~ey are nr~t grazing rep=laimed area at t}'~is time. <br />The fo1l~~wing ponds were chec4::ed: <br />East Euzzard 1 °< [standing water nc, discharge} <br />Coy~~te t standing water n~~ dis~_harge- recent wor4: was done can t}ie <br />primary draw dawn spillway, a leak: noted during a previous CLhfF-:D <br />inspection was repaired. <br />West Puzzard (pond #1? water in the pond 8<~rattail growth <br />4Jest C'uzzard rponc+ #}~? dry <br />" r:pond #3? ~c.rrie standing water but no discharge <br />N.. Name F'~_nd #~} Cstandir~g water, used f~~r dust suppression <br />standpipe, riprap needed in the infl~~wr corrected befc,re inspection <br />=omp1 eted <br />