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MAILING ADDRESS: P.O. BOX 440 RAPID CITY, SD 577090440 PH. 605-342-7224 <br />L~ PHYSICALADDR/ESS:3401 UNIVERSAL DR. RAPIDCiTY,SD57702 FX.60S34.2$979 <br />~ I-I ~/ •PETE LIEN 8c SONS •BIRDSALL SAND & GRAVEL •COLORADO LIEN CO. <br />(~-Jf`VV~ •DAKOTABLOCKCO. •DAKOTASTEEL&SUPPLY •T72ANSCOLORAD000NCREfE <br />PETER C. LIEN BRUCE H. LIEN <br />1898-1969FWNDQi FIXINCkTi <br />& Sons, lnc. <br />AUG~6~t~ <br />August 11, 2004 <br />Ms. Edca Crosby <br />CO Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 / / <br />RE: Technical Revision for Roberts Quarry, Permit 77-301 <br />Dear Ms. Crosby, <br />CHART FC H. LIEN PETER C. LIEN <br />FWNOm PRE$IOEI~R <br />CHAIRMAN <br />RECEIVED <br />DivisiolYef INiirerols end Geu[ogtF. <br />-~_ y „~ <br />Attached you will find a technical revision to the Roberts Quarry mine plan, Permit 77-301. The <br />changes that have been made to the mine plan take into account the new overburden stockpile <br />that has been labeled area D on the mine plan map. Language has also been added to the text <br />of the mine plan Exhibit D to reflect placing of overburden in the new stockpile area D. <br />If you have any questions regarding this revision please feel free to give me a call at 605-939- <br />2696. <br />Sincerely, <br />Scott Landguth <br />VP/Environmental <br />Colorado Lien Co., a division of Pete Lien & Sons, Inc. <br />Enclosures <br />~A' <br />