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• S E C T I O N 3 0 <br />I N D E X <br /> Title ~ Page <br /> 3.2.8.4 t9ine Water System 3-32 <br /> 3.2.9 Disposal of Refuse Material - 3-33 <br /> 3.2.9.1 Production of Refuse Material 3-33 <br /> 3.2.9.2 Refuse Disposal 3-34 <br /> 3.2.9.2 A Other Refuse Disposal 3-35 <br /> 3.2.9.3 Location of Refuse Disposal Areas 3-35 <br /> 3.2.9.4 Sites of effluent Dischar~a 3-35 <br /> 3.2.9.:. Hydrologic Protection During Construction and Operations 3-35 <br /> 3.2.9.5 Disposal of Waste Construction Material 3-35 <br /> 3.2.9.7 Return of Coal Refuse to Undero ound dorkings 3-36 <br /> 3.2.iG Surface racilities Conveyor Belts 3-36 <br /> 3.2.10.1 Mine Conveyor 3-36 <br /> 3.2.10.2 Stockpile Conveyor 3-36 <br />• 3.2.10.3 Storage Silo Conveyor 3-37 <br /> 3.2.10.4 Loadout Conveyor 3-37 <br /> 3.3 Hydrologic Control 3-37 <br /> 3.3.1 Hydrologic Protection 3-37 <br /> 3.:•1.1 General Hydrologic Protection 3-37 <br /> 3.3.1.2 Hydrologic Studies and Methodology 3-38 <br /> 3.3.1.3 Hydrologic Protection During Construction 3-52 <br /> 3.3.1.4 Hydrologic Protection During Operation 3-53 <br /> 3.3.1.5 Hydrologic Protection Upon Closure or Abandonment 3-54 <br /> 3•:.1.6 Impacts of Overtopping Hydrologic Structures 3-54 <br /> 3.3.2 CoL'ection and Diversion Channels 3-56 <br /> 3.3.2.1 Cress Section 3-56 <br /> 3.3.2•'_ Hydrologic Criteria 3 ;6 <br /> 3.3.2.3 Design Dimensions 3-56 <br /> 3.3.2.4 Culverts 3-57 <br /> 3.3.3 Sedimentation Pond 3-60 <br />• 3.3.3.1 Cross Section 3-60 <br /> 3.3.3.2 Hydrologic Criteria 3-20 <br />