2007-06-29_PERMIT FILE - C1981022A (2)

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SerSime - 2.05.4 Sanborn Geek and proposed Elk Geek mines are listed, along with the corresponding disturbance • acreages, on Table 2.05.4-T1, Surface Disturbance. In general, facilities and associated surface disturbance areas will be reclaimed when they are no longer needed to support ongoing or anticipated future operations. For some areas, this commitment translates into interim reclamation of areas no longer required for ongoing operations while active mining and related operations continue in other areas. For other areas, reclamation will be the final step in the development/mirrutg/reclamation cycle, once all active mining and related operations have been completed. Remaining coal reserves in the active Sanbom Geek Mine will support coal production through 2001. Existing fee and Federal coal reserves in the D-seam will supporc ongoing mining operations for an additional thirteen to seventeen yt'ars, dependent on production rate and operational fattors. It is anticipated that those facihties that directly support the Sanbom Geek Mine and which will not be required to support the future Elk Geek Mute operations will be reclaimed within approximately three ytars following cessation of mining operations in the Sanbom Geek Mine. Reclamation of ren+a~~~~g facilities and disturbance areas associated with the Elk Creek Mute and Elk Creek Facilities Area will be initiated on permanent cessation of mining operations for the Elk Geek Mine, unless additional mineable reserves are identified, permitted, and developed in the area. Final reclamation of the facilities and disturbance associated with the Elk Creek Facilities Area would begin shortly aher the decision is made to permanently cease active mining operatioru in the area and be completed within three to five years. Reclamation of mine surface disturbance areas, whether interim or final reclamation, will involve a logical sequence of attivities designed to return the disturbed area(s) to a configuration and condition compatible with the proposed postmining land use: • Removal and salvage or demolition and disposal of anysurface structures and facilities • not approved for retention to support the postmining land use • Sealing and backfilling of all mine openings and any wells that will not be retained for monitoring or water supply • Regrading of disturbance areas to the approved postrrrining configuration, with grading to blend with suaounding undisturbed and previously reclaimed areas and reestablish effective site drainage • Construction of designed postmining drainage chammek • Replacement of available soil resources • Seedbed preparation and reseeding of disturbance areas with an approved reclamation seed ntucture • Application of interim site stabilization measures to prevent excessive erosion and soil loss until an effective vegetative cover can be reestablished • Site maintenance and monitoring through the end of the reclamation liabilityperiod or until reclamation liability and bond release are approved During the reclamation process, OMI will utilize many of the same environmental protection mitigation measures aced during active operations to prevent potential adverse • environmental impacts. Drainage and sediment will be controlled through the retention and use of temporary disturbed area collection ditches and sedimentation ponds; permanent diversion ditches; and localized ace, as required, of alternative sediment control measures (bercru, straw bales, silt PR04 2.05-49 Revised August 2000