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57.36 acres of extraction remaining in Tracts A, B, & C. The applicant has also specified that <br />reclamation will be concurrent with mining to limit the total disturbance to be reclaimed at any <br />one time. In conformance with Rule 6.4.4(d), please clarify the maximum disturbance to be <br />expected at any one time throughout the remainder of the operation in terms of acreage and linear <br />feet of pit disturbance, and acreage of other disturbances. (As an alternative, VCI may propose <br />the number of lineaz feet of pit disturbance and acreages for all existing and planned disturbances <br />(185.23 acres of affected land) minus disturbed slopes and/or acreage already reclaimed to <br />desired fmal reclamation conditions and deemed ready for reclamation responsibility release by <br />the Division of Minerals & Geology.) Please respond. <br />6. In conformance with Rule 6.4.4, please clarify the current or planned volume, whichever is <br />greater, of stockpiled overburden that will need to be backfilled into the pit during final <br />reclamation, and provide the average push/haul distance to move the stockpiled overburden into <br />the pit. (The volume of overburden that will be used to backfill Tract D may be excluded from <br />this volume estimate.). Please clarify. <br />7. In conformance with Rule 6.4.4, please clarify the current or planned volume, whichever is <br />greater, of stockpiled topsoil that will be needed for used in final reclamation, and provide the <br />average push/haul distance to move the stockpiled topsoil to its fmal location. <br />8. In conformance with Rule 6.4.4, please clarify the following lengths of pit wall and/or lake <br />shoreline (in lineaz feet) to be backfilled and graded to reclamation contours (3:1, 4:1, 5:1, etc.) <br />a) # LF of pit wall already at fmal reclamation contours, b) # LF of existing pit wall at 1:1, 0.5:1 <br />or steeper contours, c) # LF of future pit wall to be exposed from now (January 6, 2003) until <br />such time that the Durham pit has been completely mined. Please provide. <br />9. In conjunction with Item 8 above and in conformance with Rule 6.4.4, please clarify the <br />maximum number of lineaz feet of highwall to be exposed at any one time throughout the <br />remainder of the operation. (VCI has proposed neazly 8001ineaz feet of advancing pit wall for <br />the active operations in Tract A, and subsequent operations). <br />10. Please provide an assessment of the hydrologic impact to be expected at the time of <br />maximum pit excavation due to VCI's proposed de-watering and dry mining activities. The <br />assessment should include effects within the 185 acres of affected land as well as the surrounding <br />azea. <br />11. Please provide a discussion of any mitigation measures to be implemented as a result of the <br />hydrologic impact expected in Item 10 above. <br />6.4.5 EXHIBIT E -Reclamation Plan <br />12. The applicant has mentioned that the primary post-mining land use is industriaUcommercial. <br />However, the mining and reclamation plans indicate that approximately 136 acres (or 74%) of <br />185 acres of affected land will be reclaimed to water surface, ie: a groundwater-fed lake. The <br />