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iiiiiiiiiiiniiiiii <br />GREG LEWICKI AND ASSOCIATES <br />one ;~ <br />December 23, 1992 <br />Joe Dudash <br />Mined Land Reclamation Division <br />1313 Sherman Street 2nd Floor <br />Denver, Colorado 80202 <br />Dear Joe: <br />DEC 2 91992 <br />DIVISION OF <br />MINERALS & GEOLr)Gv <br />1645 Court Place <br />Suite 309 <br />Denver, Coloredo &Y102 <br />Phone/FAX (303162E~-9336 <br />Re: Sediment Pond Certification <br />at the Rimrock Mine. <br />Enclosed is the certification report for the sediment pond at the <br />Rimrock Mine. I am a certified professional engineer in the State <br />of Colorado with experience in the Eastern and Western United <br />States in the design, construction and operation of sediment <br />ponds and mine hydrology systems. <br />Site inspections were conducted on December 7 and 22, 1992. <br />Inspections and measurements were conducted by myself and Mark <br />Kerr. A precision eye level, stadia rod and measuring tape were <br />used to verify elevations, slopes and dimensions. <br />Sincerely yours, <br />~~ d4~aa+G(~'GG <br />Greg Lewicki <br />Greg Lewicki and Associates <br />