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:;; ~ ~ III IIIIIIIIIIIIIIII~,~ <br />J~ <br />Greg Lewicki And Associates <br />16,5 Coert Place, Seite 309 PLoee/Raz: (303) 629-9335 <br />Deaver, CO USA 80202 E-Mail: lewickieesvicioeet.eat <br />RECEIVED <br />May 11, 1998 <br />Kent Gorham pp <br />Mined Land Reclamation Division ~~~ I ` ` D <br />1313 Sherman Street 2nd Floor <br />Denver, Colorado 80202 <br />Re: Sediment Pond Certification at the Rimrock Mine. <br />Dear Kent: <br />MAY 1 ?. 1998 <br />Division of Minerals & Geology <br />This document is the most recent certification of the sediment pond at the <br />Rimrock Mine. <br />I am a certified professional engineer in the State of Colorado with experience <br />in the Eastern and Western United States in the design, construction and <br />operation.of sediment ponds, mine hydrology systems and slope stability of <br />embankments. <br />A site inspection was conducted on May 9, 1998. A precision eye level, stadia <br />rod and measuring tape were used to verify elevations, slopes and dimensions. <br />Sincerely yours, <br />C~ ~~~1~" <br />Greg Lewicki, P.E. <br />Greg Lewicki and Associates <br />... .. <br />. ..... , <br />.~ ;, . .. <br />