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•. COLOFA00 DEPI.kTJ1ENT DF 1'~ALTI! <br />• IJg;cr :uglily Cr>ntrul Division • <br />• x:210 C.,st l lll~ Avcnuc <br />Denver, CO 80220 <br />• A000;JDUr1 TO SUJ1'9I,I:Y OF P.l,i IOIJALE <br />Ey z le:ter dated Y,ay 10, 1°7° Sun lower Enerey Corporation requested <br />that the permit be amended to reflect the increase of production from <br />50,6:'0 toys of cogl per year to 200,ODD tors of Cozl per year. <br />This letter glso noted that the--mining plzn provides for sediment control <br />of :~ 10-yea r, 74-hour storm. <br />The sC.'.in5cnt pond is the existing water stor~ce reservoir for the f'~ine. <br />inn;: ..nine ~~:ater would also be discharged throueh this pond. Because of <br />::~:er rights i[ mgy be necesszry to periodically relezse water from <br />;~~ reser:•oir. <br />T•-.ese c~,anees in o~eraticn kill not chance any conditions in the text of <br />„-e aerr.,it Hc::ever, it should be clarified in this Sun^ary of Fatienale <br />:'~::; cisch;:rge 001 is ~t t:'~e final outfgll fro^+ the sediment pond located <br />~: ;*~e south end of tl,e pond in the iJOrt!ns:est 1/4, North~:est I/w, Secticn <br />,., -~ r.ship !j So~:h, lance 51 Vest b:h Principal Meridizc. This <br />:is-:;~.rr,~ point is referenced in Ficure 1. <br /> <br />Stever. Snider <br />July 1C, 1i7: <br />T-4 <br />