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_- ~ ~ ~ III IIIIIIIIIIIII III <br />~~~. <br />A Sulxi,iG~r~rv <br />= of <br />u'esfe,n fuels <br />Assnrnrion. lrc. November 19, 1987 <br />Mr. Tom Gillis <br />Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street <br />Denver, ~ 80203 <br />RE: Professional Certification Document for the Coal Processing Waste <br />Bank on Deserado Mine Property, Bonanza Pacer Project File No. C-018-81. <br />Dear Mr. Gillis: <br />On November 18, 1967, I performed an inspection of the Deserado Mine refuse <br />pile sub-areas 1 and 2-3. <br />I am a professional engineer registered in the State of Colorado and my <br />experience fulfills the requirements of Colorado Surface Coal Pti Wing <br />Reclamation Act. <br />The purpose of my inspection and certification was to ensure proper construction <br />of the refuse pile and to satisfy the requirements of Pule 4.09 1 (11) of the <br />Colorado Mined Land Reclamation Board. <br />There are no apparent points of seepage in the pile, and there is no indication <br />of slope failure. The surface drainage facilities were adequately maintained <br />and were working properly. No subdrain system is required by our permit, since <br />aeotechnical investigation for the disposal site revealed no ground water present. <br />Permanent out slopes have not yet begun to be built. <br />We have now, to date, a total of 369,419 tons of refuse placed in sub-area 1, <br />and 282,941 tons placed in sub-area 2-3. <br />Both the topsoil and subsoil piles for those areas have been seeded and are <br />stable. Removal and stock piling of all organic material and topsoil prior <br />to disposal of refuse has been completed. <br />To the best of my knowledge, based upon my professional expertise, the <br />permanent refuse structures at the Deserado Mine are being constructed <br />in conformance with the prudent state-of-the-art of coal processing waste <br />bank construction. Further, the structures are being constructed in <br />compliance with the approved design, as specified within Section III-20 <br />of the approved permit docwnents and depicted on Maps 76,77, 82 and 83. <br />Deserado Mine <br />P.O. Boz 1067 <br />Rangely, Colorzdo 81648 <br />Telephone 303/6758431 <br />Telecopier 303/675-5:'9 <br />i ;y,p~ <br />