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• • iii iiiiiiiiniuiii <br />999 <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />131 3 Sherman 51.. Room 215 <br />Dcnver, CO 80203 <br />Phone: (3031 tl66-1567 <br />FA%: (3071 832-8106 <br />DATE: April 2, 1993 <br />TO: Steve Wathen >~ <br />FROM: Jim Pendleton ~~ ' <br />OF' CO( <br />0 <br />Ne~~ R~' <br />,.~ O i <br />~ ~e]6 ~ <br />Roy Romer <br />Governor <br />Michael B LnnR <br />Division Director <br />RE: Colowyo Co Mine - Section 16 Fill" Response Letter <br />ermit No: C-81-019) <br />I have finally gotten enough of a respit from the Summitville <br />Fiasco to review Colowyo's response to my November 6, 1992 comment <br />letter, dated November 13, 1992. <br />Colowyo's response, prepared by Jim Kiger and Robert Trumbly, P.E. <br />appropriately rspond to my early concerns. They have appropriately <br />described their logic in field location and design of the <br />underdrain in the toe area of the Section 16 Fill. My preliminary <br />examination of Colowyo's January 22, 1993 inspection report for the <br />Section 16 Fill, ascertained that the appropriate design <br />documentation and photographic evidence is provided for the <br />underdrain construction. <br />Therefore, while its relatively mute at this late date, I recommend <br />acceptance of the November 13, 1992 supplemental submittal for the <br />Section 16 Fill adequacy response. It appears that the underdrain <br />beneath the toe area of the fill has been properly constructed and <br />certified. <br />cc: Larry Routen <br />JP/7P <br />