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<br />~;; <br />WBS78RN •~ ~1,,~J ,f,'-y54xr~~~~f•~ 4''4.. <br />'. FIIBI.S-1~Gfl ~r o <br />A Su(uidiary ~ ~ _ ~ _ <br />.: <br />of .. •- <br />Wesfem Fnelt <br />Amaalion, /ru - .... . <br />Michael J. Weigand, P.E. <br />Mine Manager <br />June 23, 1994 <br />Ms. Barbara Pavlik <br />Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street <br />Denver, CO 80203 <br />•' ~'' III IIIIIIIIIIIIIIII <br />J 999 <br />~1 G <br />JR~ r~ ; li~L <br />2~ 1984 <br />~~~i§ipRO~/~?iner;~~ L~oipyY <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. Pavlik: <br />On June 15, 1994 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 />There are no appareiit points of seepage in the pile and there is no <br />indication of slope failure. <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. Permanent out slopes are approximately 80% <br />complete on the toe of sub-area 2-3 and approximately SOo complete <br />on the toe of refuse area 4 pile. These out slopes are stable. A <br />groundwater monitoring we_~b~as~leen_ins.talled_between_sub-area__1- <br />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 1,890,964 tons of refuse have been placed in sub-area 2-3. <br />Deserado Mine <br />P0. Box 1067 <br />Rargely, Colorado 81648 <br />7Plephone 303/675-8431 <br />Fax 303/675-5229 <br />