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TAB 20 <br /> TABLE OF CONTENTS <br /> Rule page <br /> 4.140) Backfilling and Grading Methods 20-1 <br /> 4.14.2 General Grading Requirements 20-2 <br /> 4.14.2(1) Final Graded Slopes 20-2 <br /> 4.14.2(2) Terraces 20-2 <br /> 4.14.2(3) Small Depressions 20-2 <br /> 4.14.2(4) Steep Slopes 20-2 <br /> 4.14.2(5) Final Grading 20-2 <br /> 4.14.2(5) Final Pit Backfilling 20-2 <br /> 4.14.4,5 Thin and Thick Overburden 20-2 <br /> 4.09 Disposal of Excess Spoil 20-4 <br /> 2.05.4(2)(c) Postmining Topography 20-5 <br /> 4.05.3 Postmining Drainage Channels 20-6 <br /> 4.12 Slides and Other Damage 20-7 <br /> LIST OF ATTACHMENT <br /> Attachment No. <br /> Attachment A Swell Factor Study <br /> Attachment B Reclaimed Drainage Channel Design - Nucla East <br /> Attachment C Reclaimed Drainage Channel Design - Nucla <br /> LIST OF EXHIBITS <br /> Exhibit No. <br /> 20-1 Premining Slope Measurement Locations <br /> 20-2 Premining Slope Measurement Locations <br /> 20-3 Postmining Topography <br /> 20-4 Pre- and Postmine Cross Sections (Nucla) (10 Sheets) <br /> 20-5 Nucla Area 1 Stream Channel Profile (K-K') <br /> 20-6 Reserved <br /> 20-7 Reserved <br /> 20-8 Reserved <br /> 20-9 Reserved <br /> 20-10 Postmining Topography - Nucla East <br /> 20-11 Postmining Cross Sections (Nucla East) (5 Sheets) <br /> Revised 05/24/91 <br />