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<br />i <br />1993 <br />CERTIFICATION OF <br />WEST ELK MINE <br />SEDIMENTATION POND MB-2 <br />This annual certification is prepared in compliance with Rule 4.05.9110) and <br />4.05.61131 of the Regulations of the Colorado Mined Land Reclamation Board for <br />Coal Mining. <br />Jim D. Miller, the Certifying Engineer, has been working in the engineering <br />field for more than 8 years and has experience in the construction and inspection <br />of fills and embankments. He is a registered Professional Engineer in the State of <br />Colorado. <br />Sedimentation MB-2 has been maintained in compliance with prudent state- <br />of-the-art and with West Elk Mine's approved Mining and Reclamation Plan (MRP) <br />to retain runoff from disturbed areas. The specific size and capacity of MB-2 is <br />presented in Exhibit 44 and Exhibit 47 of the MRP. Stability analyses are also <br />presented in Exhibit 44. <br />Sedimentation pond MB-2 was visually inspected for erosional and structural <br />conditions and no problems were observed. <br />~,_'. <br />/"~~~C <br />im D. Miller <br />P.E. No. 26110 <br />9 3 <br />Date <br />°- <br />" <br />~ Sri -°°;•Y~;; <br /><< <br />. <br />.\., ~; o <br />~ a <br /> <br /> ` <br />~ D ~ <br />C <br />° <br />~~\ <br />rSC ~o.i~°°° <br />~. <br />E~ <br />j <br />01 <br />Y... `~\~ <br />`~n. i. <br />