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.pj~llj.~n.{ ii~::.7 FdS Yill JS,i 1JJJ ~ ~ ~ EN~'IRin:n,v. [N!'. '-- )PEST ELI( f~ilit^_~i)ili <br />ENVIROGON, INC <br />J95 WESY IRONw000 DRI`fE <br />SOUTH SALT LAKE CITY, UTAH Bit t5 <br />TELEPHONE (BOt) dfi5-95fi5 <br />FA%: (gOtl 335-I:-ti <br />ENC°rIRUCON, INC. <br />May 16, 1994 <br />Mountain Coal Company <br />West Elk Mine <br />P.O. Eox 591 <br />Somerset, CO 81434 <br />Attention: Robert Koch <br />Subject: Drainage Design for Lone Pine Gulch Fan Bench Light Use Road <br />Dear Bob: <br />Attached are the design criteria for ditches and culvert required for the Lone <br />Pine Gulch fan bench light use road. <br />Please contact me if you have any questions regarding this design. <br />Snin~ce'r~e'ly, <br />V ~"° <br />Charles P,.ehn, PE <br />General Manager -Salt Lake City <br />CR!Im <br />la[ <br />Attachment <br />A~1Compeny ~~ <br />