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<br />Task Description Duration <br />4. Grade benches 4-6 weeks <br />5. Place topsoil 4-6 weeks <br />6. Seed reclaimed area 4-6 weeks <br />7. Reclaim ditches and sediment pond 2-3 weeks <br />8. Seed ditch and pond aeeas 1-2 weeks <br />Tasks 1 through 6 should be completed in 1995 weather permitting. Tasks 7 and 8 will be <br />completed in 1998 - 1999 after vegetative cover is established and permission is obtained from the <br />Division. <br />The hydrologic control plan utilizes the existing ditches and sedimentation pond to control and <br />treat surface runoff until the reclaimed area is stabilized and revegetated. The existing ditches D-3 <br />and D-4 divert surface runoff from undisturbed areas above the minesite around the disturbed <br />area. Ditches D-1 and D-2 collect and direct surface runoff flowing through the disturbed area to <br />the sedimentation pond for treatment prior to discharge. After the disturbed area is stabilized and <br />revegetated, the sedimentation pond and ditches, D-1 through D-4 will be backfilled and seeded. <br />When these areas are stabilized and revegetated, surface runoff flowing through the reclaimed <br />area is expected to comply with water quality standards. <br />During the baseline data development, no impacts on the groundwater regime were identified. <br />Any mine water flows down dip away from the portal into the Nu Mine. Any discharges from the <br />Nu Mine flow into a stock pond or are absorbed into the ground. Since no adverse impacts have <br />been identified to date, no groundwater mitigation plans are needed. <br />