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<br />TAB 17 <br />PRDBABLE HYDROLOGIC CONSEQUENCES <br />Table of Contents <br /> P-woe <br />2.05.6(3)(b)liv) Ground N'a ter 17-1 <br /> Introduction 17-1 <br /> Ground N'a ter Inflows to Pits and Drawdowns 17-1 <br /> Introduction 17-1 <br /> FicWhorter Analysis for Calculating Pit Inflows 17-1 <br /> MODFLOW Analysis for Calculating Pit Inflows and Drawdowns 17-9 <br /> Introduction 17-5 <br /> Model Design 17-10 <br /> Motlel Calibration 17-13 <br /> Results 1i-13 <br /> Removal of Wells and Pontls by Mining 17-27 <br /> Impact of Replaced Spoil Material on Ground k'ater Flow and <br /> Recharge Capacity 17-27 <br /> Containment of Pit Inflow Pumpage and Impacts on W'a ter Quality 17-29 <br /> Impact of Spoil Vlater Quality on the Ground and Surface Water Quality 17-30 <br /> Introtluc tion 17-30 <br /> Dverburden, Interburden and Underburden Characterization 17-33 <br /> Overburden Material 1i-33 <br /> Interburden Material 1i-35 <br /> Underburden Material 17-37 <br /> Controls on Ground Water Quality 17-37 <br /> Introduction 17-37 <br /> Mechanisms for Production of Acid 17-37 <br /> N ucla East Core Data 1i-40 <br /> Nuclz East Water Quality Data 17-42 <br /> Summary 17-44 <br /> Geochemical Modeling 1i-44 <br /> Introduction 17-44 <br /> Mineralogic Controls 17-46 <br /> Neutralization Calculations 17-50 <br /> The Effects of Irrigation on the Grountl and Surface Water Chemistry 1i-52 <br />Revised 04/11/88 <br />