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<br /> <br />r~ <br />Greg Lewicki And Associates <br />91154 S. }~ocresl Dri+c 1'honc/fas: 1303) 3aG-5196 <br />Ifirhlands Ranch, Cl) Uti•1 8111?6 G.~tuil: Ic++icki~7r cncisiunel.nct <br />RECEIVED <br />January 10, 2000 <br />Kent Gorham <br />Division of Minerals and Geology <br />1313 Sherman Street 2nd Floor <br />Denver, Colorado 80202 <br />Re: Sediment Pond Certification at the Rimrock Mine <br />Dear Kent: <br />~~III~~~~I~~I'~~~~~ <br />JAN 1 ' 2000 <br />Division of Minerals 8 Geology <br />~~ Q ~ 9q9 <br />This document is the most recent certification of the sediment pond at the Rimrock <br />Mine. <br />I am a certified professional engineer in the State of Colorado with experience in the <br />Eastern and Western United States in the design, construction and operation of <br />sediment ponds, mine hydrology systems and slope stability of embankments. <br />A site inspection was conducted on December 2, 1999. The sediment pond was dry and <br />the site was very dry considering that early June was wet in most places in Colorado. <br />Also, the site was heavily grazed although there were no animals present during the <br />visit. <br />Sincerely yours, <br />shy .~.;,:s,. <br />Greg Lewicki, P.E. <br />Greg Lewicki and Associates <br />