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TAB 17 <br /> PROBABLE HYDROLOGIC CONSEQUENCES <br /> Table of Contents (Cont.) <br /> Page <br /> Potential Impacts of Replaced Spoil on Ground Water Quality 17-57 <br /> Spoil Characterization 17-57 <br /> Effects on Ground Water Quality 17-57 <br /> Spoils Water Quality Data 17-59 <br /> Summary 17-61 <br /> Potential Impacts of Replaced Spoil on Surface Water Quality 17-61 <br /> Surface Water 17-68 <br /> Effects of Mining on the Local Geomorphology 17-68a <br /> Effects of Sediment Ponds on Channel Characteristics and Downstream Users 17-76 <br /> Effects of Sediment Pond Discharges, Diversions and Culverts at Road <br /> Crossings on Surface Water Quality 17-78 <br /> Effects of Runoff from Reclaimed Areas on the Quantity of Streamflow 17-82 <br /> Effects of Runoff from Reclaimed Areas on the Quality of Streamflow 17-88 <br /> Summary 17-90 <br /> Literature Cited 17-95 <br /> List of Figures <br /> Figure No. Page <br /> 17-1 Grid and Boundary Conditions Used to Model the <br /> Effect of Pit Dewatering 17-11 <br /> 17-2 Model Grid Overlay 17-12 <br /> 17-3 Simulated Water Levels Prior to Pit Dewatering 17-14 <br /> 17-4 Drawdowns in the Overburden Aquifer, Year 1 17-15 <br /> 17-5 Drawdowns in the Overburden Aquifer, Year 2 17-16 <br /> 17-6 Drawdowns in the Overburden Aquifer, Year 3 17-17 <br /> 17-7 Drawdowns in the Overburden Aquifer, Year 4 17-18 <br /> 17-8 Drawdowns in the Overburden Aquifer, Year 5 17-19 <br /> 17-9 Drawdowns in the Coal Aquifer, Year 1 17-21 <br /> 17-10 Drawdowns in the Coal Aquifer, Year 2 17-22 <br /> 17-11 Drawdowns in the Coal Aquifer, Year 3 17-23 <br /> ii Revised 10/07/88 <br />