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Ms. Erica Crosby, Division of Minerals and Geology March 23, 2005 Page I S ~~ CIVrt RES'JU RCES,LLC Rule 6.4.6 Exhibit F-Reclamation Plan Map 34. The reclamation plan map does not show the proposed topography of the area with contour lines of sufficient detail to portray the depth and slope of the reclaimed ponds. Please revise the recfamaffon plan map to include contour lines of the reclaimed area. We have added the proposed contours on the Reclamation Plan Map, per your request. Rule 6.4.7 Exhibit G- Waterlnformation 35. The Division received comments from fhe Offrce of the State Engineer (OSE) regarding the proposed application. According to the OSE, before a well permit can be approved the applicant must conduct a field location of the site and document the locations of all wells within 600 feet of the permit area. The applicant must then obtain a waiver of objection hom all well owners with wells within 600 feet of the permit area or request a hearing before the State Engineer. See the attached OSE letter for further detail. Please commit to not exposing groundwater until a well permit is obtained hom the OSE. In addition, once the well permit is obtained a copy must be submitted to the Division. The operator will not expose groundwater until a well permit is obtained from the OSE. The operator wilt submit a copy of the permit to the Division. 36. Attached, please find the Division's hydrology review comments of the Lupton Lakes Resource application prepared by Tom Schreiner. Please address all comments and questions nofed on the attached letter. We have enclosed a separate letter response to Mr. Schreiner's March 8, 2005 comments. Rule 6.4.12 Exhibff L• Reclamation Costs 37. The Division will estimate a cost to reclaim the site based on the information submitted in the application. However, the Division has the following questions regarding final reclamation of fhe site. • Please list all structures that will be constrrcted on site including their composite, dimensions and mefhod of reclamation. • The applicant states that they are currently investigating the construction costs for the proposed compacted clay liner and will forward this calculation to the Division during the review process. Please submit this information and specify the volume of clay to be excavated for each pond or phased area. . The estimate prepared by the applicant depicts a volume and associated cost to replace 6" of topsoil on the reclaimed areas. However, the permit application states that a minimum of ?2" will be redistributed. Please clarify this discrepancy and provide an estimate the volume of topsoil necessary to reclaim each pond and/or phased area. • Provide an estimated cost to install the interconnect pipelines between the ponds and to the South Platte River.