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<br />POWDERHORN COAL COMPANY <br />CRDA 2 Diversion Drainage Control Calculations <br />Certification <br />As part of a NOV abatement this revision to Powderhorn's Permit No. C-81-041 provides <br />for variation in the configuration and slope of the diversion ditch above CRDA 2. <br />I, Larry M. Reschke, PE 19691, hereby certify that the following pages in Appendix 13-2 <br />dated (New or Rev. 12/16/97) have been prepared by myself or under my direct <br />supervision, and that the information contained in the calculations is true and correct to <br />the best of my knowledge and belief: <br />CRDA2-12 thru 13q <br />~~ <br />~~.9~ <br /> <br /> <br />INFO-10 (New. 12/16/97) <br />