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iiiiiiiiiiniiiiii <br />• <br />J <br />January 7, 2002 <br />Lorencito Coal Company, LLC <br />c/o Greystone <br />5231 South Quebec <br />Greenwood Village, Colorado 80111 <br />Attention: Mr. Mike Kolin <br />Mr. Jerry Koblitz <br />C <br />RECEIVED <br />JAN ~ a 2QOz <br />Division of Minerals and Geology <br />Subject: Fill Area 7 <br />Revised Configuration <br />Lorencito Surtace Mine, Phase I <br />Las Animas County, Colorado <br />Job No. 32,611 <br />We have reviewed the revised configuration of Fill 7 (Figure 2.05.4-14j, by <br />Greystone). We believe the revised spoil fill and pond location are within the scope <br />of our previous investigation (report dated April 27, 2000). The proposed fill is judged <br />stable and meets or exceeds Colorado Division of Minerals and Geology (CDMG) <br />requirements for excess spoil fills. We have attached a revised Fig. 1 showing the <br />revised Fill 7 location. <br />It has been our pleasure jq serve you on this project. If we can clarify our <br />opinions or be of further se~ryjc ,,please call. <br />REG/S <br />G: QQ T~~ <br />9`:; o <br />Mark~'>a: Gray, P.I <br />Project Manager <br />MGGIha <br />(5 copies sent) <br />~~~ <br />CTL/THOMPSON, INC. <br />CONSULTING ENGINEERS <br />1971 WEST 12TH AVENUE ~ DENVER, COLORAD080204 ~ (303) 825-0777 <br />