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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832.8106 <br />September 9, 2004 / <br />Scott Landguth <br />Pete Lien & Sons, Inc. <br />P.O. Box 440 - <br />Rapid City, SD 57709 <br />RE: Pete Lien & Sons, Inc., Roberts Quarry; Permit No. M-1977-301 <br />/TR-04; Adequacy Letter #2 <br />Deaz Mr. Landguth, <br />COLORADO <br />DIVISION O F <br />MINERALS <br />GEOLOGY <br />0.ECLAM At10 N•MININC <br />SA FETPSCIENCE <br />siu ovens <br />Govemar ' <br />Russell George <br />Enecutive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />The Division received your adequacy response regazding Technical Revision (TR-04) for the Roberts Quarry, <br />Permit No. M-1977-301. Pete Lien & Sons intends to reclaim the stockpile azea D where it currently exists, <br />and use a portion of the pile (approximately 200,000 to 300,000) to reclaim additional disturbance in areas of <br />Section 27. <br />In order to leave the pile in its current configuration, please inform the Division of the following; <br />1. Please demonstrate that the material in stockpile D is not necessary to reclaim existing or future <br />disturbances at the Roberts Quarry to achieve the approved reclamation plan and postmining land use. <br />Pete Lien & Sons will need to demonstrate that enough material is available from elsewhere on site to <br />reclaim the existing or future pits to the required slopes and configuration. <br />2. Please inform the Division as to the final reclaimed slopes of the remaining stockpile D, and the length <br />of the slopes. If Pete Lien & Sons proposes slopes 2h:ly or greater, then the operator must <br />demonstrate that slopes will be stable, graded in such a manner to control erosion and siltation and able <br />to sustain a vegetated cover. <br />3. Please inform the Division as to the depth of topsoil to be replaced on stockpile D, the total volume of <br />topsoil required to cover the pile, where the topsoil will be obtained, and specify if topsoil will need to <br />be salvaged to accomplish the final grading. Please also inform the Division as to where the topsoil <br />from the footprint of stockpile D was placed with the making of the pile. <br />4. Please specify the grass, forb, shrub or tree species that will be planted on stockpile D and the <br />applicable quantities. Specify the quantity of each grass and forb species as pounds of pure live seed <br />per acre and the application method. <br />Please be advised that Division's decision due date is set for September 15, 2004. If you feel more time is <br />needed to complete your reply, the Division can grant an extension to the decision date. This will be done <br />upon receipt of a written waiver of your right to a decision by September 15, 2004 and request for additional <br />time. This must be received no later than the deadline date. If you have any questions, please contact me at <br />(303)866-4943. <br />ncere R ~~ <br />.,~~~ <br />v, <br />r/ .Crosby <br />Environmental Protection Specialist <br />Office of Office of Colorado <br />Mined Land Reclamation Arrive and Inactive Mines Geological Survey <br />