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TABLE OF CONTENTS <br />Part <br />~ Page <br /> Conclusions and Recommendations <br />., t <br />r I Introduction 4 <br />II General Description of Hydrology and Geology 4 <br /> A. Climate 4 <br /> B. Geology 5 <br /> C. Water Resources 7 <br />III Pre-Mining Subsurface Hydrology and Water Quality in <br /> Detailed Study Area 8 <br /> A. Geology . 8 <br /> <br />l B. Characterization of Hydraulic Properties of Aquifers. 10 <br />. C. Piezametric Surface 25 <br />f D. Water Quality 29 <br />,_ E. Summary of Existing Situation 35 <br />IV Subsurface Hydrology and Water Quality During Mining 36 <br /> A. Pit Inflow Estimates 36 <br /> B. 1)rawdown of Piezometric Surface Due to Pit Inflow 43 <br /> C. Quality of Mine Inflow 45 <br />V Post-Mining Hydrology and Water Quality 46 <br /> A. Post-Mining Flow Patterns and Hydrology 46 <br />i <br />B. Post-Mining Water Quantity and Quality <br />4g <br />VI Acknowledgements 49 <br /> APPENDIX A - We11 Construction and Location 5D <br /> APPENDIX B - Calculation of Hydraulic Coefficients 66 <br />• APPE <br /> NDIX C - Data 85 <br />- APPENDIX D - Approximate Location of Existing 4lells 99 <br />\ ii <br /> <br /> <br />