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. - - R'ESI'ERN <br />- - FUEIS-UG-H <br />= INC. <br />-- = AJ'uluNk/rv <br />of - <br />- - We(ern FueB <br />Assntialion. Inc: <br />Afichael J. Weigand. P.E. <br />Afiire,tfawgej <br />March 24, 1992 <br />J <br />Ms. Janet Binns <br />Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street <br />Denver, CO 80203 <br />• III IIIIIIIIIIIIIIII <br />9s9 <br />~ .... <br />dAR 2 7 1991 <br />fUined sand <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 Ms. Binns: <br />On March 23, 1992 I performed an inspection of the Deserado Mine <br />refuse pile sub-areas 2-3 and 4. <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 />The surface drainage facilities were adequately maintained and were <br />working properly. No subdrain system is required by our permit, <br />since geotechnical investigation for the disposal site revealed no <br />ground water present. PP:me:nent out slopes .are approximate'_y 508 <br />complete on the toe of sub-area 2-3. These out slopes are stable. <br />A groundwater monitoring well has been installed between sub-area <br />1 and sub area 2-3. To date no water has accumulated in the well. <br />Sub-area 1 has been reclaimed and is no longer in use. To date, a <br />total of 1,438,055 tons of refuse have been placed in sub-area 2-3. <br />Lifts are being placed at the north end of sub-area 4 and a total <br />of 178,352 tons of refuse have been placed to date. <br />Deserado ~11ine <br />P.0 Box 1067 <br />Rangelg. I:ulnradu 916~i9 <br />Telephone i0 S; 67 i-Wi it <br />Telecopier jlli'b i5 5!'!9 <br />