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.-~_~~_ RBSTERN • <br />`~ ~ FUELC-UWI <br />-_ __ JNC. <br />°- = ASubrufitm <br />~~ <br />-= Rcaent £ueLv <br />- A.oncrahlnl. /IlC <br />November 21, 1988 <br />Mr. Tom Gillis <br />Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />~ III IIIIIIIIIIIIIIII <br /> -+,. ?~ <br />/ <br />--~ t:.T r"~. .~ - ..c <br />~.~, Sr <br />IBS, i <br />fiO~ = <br /> ;.,.~~; <br />r ~L~ . <br />If:l4% <br />Re: Professional Certlf iCatlG)"i DGCllriEiit for the %ual cruCeSS lIl cj <br />Waste Bank on Deserado Mine Property, Bonanza Power Project <br />File No. C-018-81. <br />Dear Mr. Gillis: <br />On November 11, 1988, 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 />for the disposal site revealed .. ground .ter rre~ent. Permane.^.t <br />out slopes are being constructed now on the toe of sub-area 1 and <br />are stable. <br />We have now, to date, a total of 526,853 tons of refuse placed in <br />sub-area 1, and 376,378 tons placed in sub-area 2-3. <br />Both the topsoil and subsoil piles for those ayes have been seeded <br />and are stable. Removal and stock piling of all organic material <br />and topsoil prior to disposal of refuse has been completed. <br />Deserado Afine <br />P.0. Boa 1067 <br />Rangel}'. Colorzdo 81645 <br />Telephone 30;/675-84iI <br />Telecapier 30i/675-5?_9 <br />