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iii iiiiiiiiiiii iii <br />ENERGY FUELS A/ININC COlfPANY <br />Oae Tabor- Center, Suite 2500 <br />1200 Seveateeath Street <br />Deaver, Colorado 80202 <br />C303) 623-8317 <br />Yay 15, 1987 <br />Mr. James Stevens <br />Colorado dined Land Reclamation Division <br />423 Centenaial.Buildiag <br />1313-Sherman_Street <br />Denver; Colorado. 80203 <br />RECD ~~~ <br />MAY 18 1987 <br />MINEC ~.;.:,:~;~ <br />RECLAMATION J)S!iSPON <br />Re: Minor Revision Request, Sediment Catch_Basins, File-Number_- <br />C-82-055 <br />Dear 1(r.: Stevens: <br />Oa. Friday, 1[ay= 8, 1987; llr:. Allen: S. Weaver, Senior... Yiaing~ <br />Engineer for Energy- Fuels. Yining.: Company and. I visited thew <br />Animas/.Helen. Mine- complea- to identify areaea in_ need. of:~ <br />modification or-maintenance-for adequate environmental.protectioa_ <br />and_regulatory-compliance. <br />During: our= site visit- we- observed- what= we-consider. Lo:.be a. <br />significant. environmeatal_ and. maiatenaace~- problems in_ the:• <br />disturbed=area~drainagea+ control. system:. Specifically;. due.~.to~ <br />steep.gradieate; iaadequate^drainage-- ditch: protectioa~andshighlyv <br />erodable soils.- on. the- site;. sediment. is:: delivereda to. there <br />sedimentation-pond_located_ west- of the:.: refuae~ pile.at~:a very- <br />rapid.rate-during- periodsM of run-ofi; thussrequiriagwfrequents. <br />pond:clean-out.aad: ditch:maiatenance:.. <br />Ia, order to alleviate+~ this. problems. wer identifieda: twos <br />modifications= which. should. ber made to the~~ drainage~coatro•]s. <br />system:ti The. first, which:. is they sub j ect~ of:: this. minor revtsioamm <br />reqquuest- is to install- sediment. catchments basinsa• withia`thes <br />sediment°collectioa=ditch=along: the- southeastreiderof.the.refueew <br />pile- Crefer to_ reviaeds_ Yapr. 12. which: ism attached heseto)n:, <br />Additionally, we~ would. then- propose. to regrade: thersteeplya~ <br />pitching-portion. of this: ditch- (the. west: end). aad:liaeeit:with~ <br />adequately sized rip-rap.:. The- second=modification=which=wrlL ber <br />submitted under.•a separate. cover ia_ the- forma of a.technica]t <br />