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MAILING ADDRESS: P.O. BOX 410 RAPID CITY, SD 5770940 PH. 605-342-7224 <br />PHYSICAL ADDRESS: 3401 UNIVERSAL DR. RAPIDCITY,SD57702 FX.605-342979 <br />I~ I-I 'PETE LIEN 8c SONS •BIRDSALL SAND & GRAVEL 'COLORADO LIEN CO. <br />~LJ~ VV~ 'DAKOTA BLOCK CO. 'DAKOTA STEEL & SUPPLY •TR4NS COLORADO CONCRETE <br />PETER C. LIEN BRUCE H. LIEN CHARLES H. LIEN PETER C. LIEN <br />189H-79a9FWNOER FWNOQt FWNCFSi PR61OENi <br />CFN1gMf•N <br />& Sons, /nc. <br />September 2, 2004 <br />Ms. Erica 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; TR-04 Adequacy Letter (StaY.~(~e'D~ <br />Dear Ms. Crosby, <br />This letter is in response to your request for information regarding our technical revision to the <br />Roberts Quarry, and specifically how stockpile D will be reclaimed. Stockpile D will be used for <br />final reclamation where it is currently stockpiled. The material will be contoured, graded, and <br />seeded to reclaim the area where it is stockpiled currently. There will be some excess material, <br />approximately 200,000 to 300,000 tons that will be used to reclaim additional disturbed areas in <br />Section 27. <br />Please let me know if you have any additional questions. <br />RECEfVED <br />Sincerely, <br />SEP 0 7 2004 <br />®IVlefOn •f Minarals and Geology <br />Scott Landguth <br />VP/Environmental <br />Colorado Lien Co., a division of Pete Lien & Sons, Inc. <br />