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~~~N <br />f~. - FUEIS IJG-H • III IIIIIIIIIIIII III <br />-_- ~ = INC. <br />=- = A Su(uGluin• <br />_:_ of <br />_= western FueLt <br />Aancra(ion, Hrc <br />~RECEIVE® <br />SEP 2 7 1990 <br />Mined Land <br />Reclamation Division <br /> <br />September 24, 1990 <br />Mr. Tom Gillis <br />Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />Re: Professional Certification Document for the Coal Processing <br />Waste Bank on Deserado Mine Property, Bonanza Power Project <br />File No. C-018-81. <br />Dear Mr. Gillis: <br />On September 24, 1990 I performed an inspection of the Deserado <br />Mine refuse pile sub-areas 1 and 2-3. <br />I am a professional engineer registered in the State of Colorado <br />and my experience fulfills the requirements of Colorado Surface <br />Coal Mining Reclamation Act. <br />The purpose of my inspection and certification was to ensure proper <br />construction of the refuse pile and to satisfy the requirements of <br />Rule 4.09 1 (11) of the Colorado Mined Land Reclamation Board. <br />There are no apparent points of seepage in the pile, and there is <br />no indication of slope failure. The surface drainage facilities <br />were adequately maintained and were working properly. No subdrain <br />system is required by our permit, since geotechnical investigation <br />fur Lire disposal site revealed no ground water present. Permanent <br />out slopes have been started on the toe of sub-area 2-3. These out <br />slopes are stable. A groundwater monitoring well has been <br />installed between sub-area 1 and sub area 2-3. To date no water <br />has accumulated in the well. <br />Sub-area 1 has been reclaimed and is no longer in use. To date, a <br />total of 1,117,683 tons of refuse have been placed in sub-area 2-3. <br />Construction of sub-area 4 has been completed and is anticipated to <br />be opened next quarter. <br />Deserado .Nine <br />P.O. Box 1067 <br />Rangely, Colorado 81648 <br />Telephone 303/675-8431 <br />Telecopier 303/6755?'_9 <br />