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MOUNTAIN COAL COMPANY <br />WEST ELK MINE <br />1997 <br />ANNUAL CERTIFICATION OF <br />SEDIMENTATION POND MB-1 <br />This annual certification is prepared in compliance with Rule 4.05.9(10) and <br />4.05.6(13) of the Regulations of the Colorado Mined Land Reclamation Board for <br />Coal Mining. <br />Phil Schmidt, the certifying engineer, has been working in the engineering <br />field for more than 15 years and has experience in the construction and inspection of <br />fills, dams, and embankments. He is a registered Professional Engineer in the State <br />of Colorado. <br />The specifications and as-built drawings for MB-1 are presented in Exhibit <br />66 of the Mining and Reclamation Plan, as revised per Minor Revision No. 175 <br />(November 1995). <br />The pond and embankment was visually inspected for erosion and structural <br />conditions and no problems were observed. The lining of MB-1 with 60 mil HDPE, <br />~r ' .ceplt:eiwg the existing geotextile clay liner, is in progress and is planned to be <br />~7--Y~ completed by January 15, 1998. <br />Phil Schmidt <br />P.E. No. 22845 <br />~~. _ <br />~~p,vvrcEr~stl ~ Date <br />i O~' '''SCl1+'• ~F t/ <br />~ U;' V' '~i,•• ? ~ <br />~ : T -'~ •• p r~ <br />v :o, 22dw5~ m:p~ <br />P,ilb~~~~~<..° ,~ <br /> <br />