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1ID ONTI BENT RESOURCES, C. <br /> PRODUCERS OF THE FAMOUS COAL BASIN COKING COAL <br /> BOX 158 <br /> CARBONDALE, COLORADO 81623 TELEPHONE <br /> O.CONTINENT RESOURCES.INC. <br /> PW)��1 <br /> 4 PLAINFIELD ROAD-SUITE 220 <br /> TWX <br /> VALLOWSROOK ILLINOIS W521 <br /> ""M <br /> December 30, 1983 T" <br /> as-oT2. <br /> Mr. Jim Herron <br /> Mined Land Reclamation <br /> 1313 Sherman Street <br /> Denver, Colorado 80203 <br /> Re: Coal Basin Mines Permit C-017-81 <br /> Condition No. 3: Certification of Sediment Ponds <br /> Dear Mr. Herron: ' <br /> This letter attests to the certification of our sediment <br /> pond as being built as designed. <br /> There have been several changes and modifications to the <br /> original design by Fleming in 1978 . Please refer to enclosed <br /> Table II-B-App. 7 , Att. 3-4 Revised Sedimentation Capacities— <br /> 1982 and Physical Survey of Sediment Ponds , Nov. 1983 update. <br /> I believe a brief explanation might be in order concerning <br /> each pond. <br /> 001 PREP PLANT 3 . 89 ACRES. With the reconstruction of the <br /> access road with rock and gravel and installation of the new <br /> 1811 steel connecting pipe between ponds 2 and 3 , we believe <br /> this system will be in excellent working order. The impact of <br /> the new bin transfer point on this system will be very small <br /> because the site is small and is mostly rock and gravel. <br /> 006 REFUSE S. 0. 25 ACRES. This pond was deepened and enlarged <br /> in October, 1983 and the entire area above it , up to the conveyor <br /> belt , was re-seeded and mulched, including the road. With a <br /> good growing season in 1984 the area above this pond will be 100 <br /> percent revegetated. <br /> 007 REFUSE N. 1. 39 ACRES . This pond was completely dug out in <br /> October , 1983 and even tough it is slightly smaller than ori- <br /> ginally constructed ( . 16 acre) , it is in series with 009 , which <br /> is some 1. 83 acres larger than design. The area above 007 will <br /> be topsoiled, seeded and mulched , 100 percent , in 1984 . <br /> 2 <br />