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Subject Pa e s Volume <br />4.8 Hydrologic Impacts 4-172 IV <br />4.8.1 Surface Water 4-172 IV <br />4.8.1,1 Use of Surface Water 4-172 IV <br />4.8.1.2 Surface Drainage During Mining 4-173 - 4-182 IV <br />4.8.1.3 Postmine Drainageway Stabilization, 4-183 - 4-183b IV <br /> 1993-1997 Permit Term <br />4.8.1.4 Sediment Ponds (Embankments, Spillways, Inspections 4-184 - 4-204 IV <br /> and Sediment Removal, Sediment Pond Removal, <br /> Permanent Retention of Sediment Ponds.) <br />4.8.1,5 Operational Surtace Water Quality 4-205 - 4-222 IV <br />4.8.1.5a Operational Surtace Water Quality, 1981-1986 4-222a- 4-223 IV <br /> (see permit volumes 17-21 for data through 1991) <br />4.8.1.6 Postmine Surface Water Quality 4-223 IV <br />4.8.1.7 Dozer Basins 4-223 IV <br />4.8.2 Impacts and Restoration of Ground Water 4-223 IV <br />4.8.2.1 Use and Potential Uses of Ground Water in the 4-223 - 4-224 IV <br /> Trapper Mine Area <br />4.8.2.2 Ground Water Inflow to the Mine 4-224 - 4-226b IY <br />4.8.2.2a Ground Water Inflow, 2003-2007 4-226c-4-226d IV <br />4.8.2.2b Operational Ground Water bevels, 1981-1986 4-2268- 4-226gg IV <br />4.8.2.2c Operational Ground Water Flows, 1981-1986 4-226hh -4-226ii IV <br />4-8.2.3 Aquifer Restoration 4-227 - 4-227a IV <br />4.8.2.4 Operational Ground Water Quality 4-227b- 4-233 IV <br />4.8.2.4a Operational Ground Water Quality, 1981-1986 4-233a- 4-233ggg IV <br /> (see permit volumes 17-29 for data through 1999) <br />4.8.3 Probable Hydrologic Consequences 4-234 IV <br />4.8.3.1 Surtace Water Impacts 4-234 - 4-235 IV <br />4.8.3.2 Groundwater Impacts 4-235 - 4-238h IV <br />4.8.3.3 Post Mine Hydrologic Balance 4-238h <br />4.8.4 Impacts to Potential Alluvial Valley Systems 4-238h- 4-2381 IV <br />4.8.5 Operational and Postmine Monitoring 4-239 IV <br />4.8.5.1 Surface Water Monitoring 4-239 - 4-241 a IV <br />1/05 i-13 <br />