Laserfiche WebLink
• TAB 20 <br /> TABLE OF CONTENTS <br /> Pape <br /> Backfilling and Grading Procedures 7 <br /> Postmining Topography q <br /> General q <br /> Volume Calculations (Premining Topography) 4 <br /> Premining Material Volume q <br /> Virgin Overburden Material Volume 4 <br /> Total In-Place Coal Volume q <br /> Recoverable Coal Volume 4 <br /> Non-recovered Coal and Parting Material Volume 5 <br /> Premining Overburden Volume 5 <br /> To[al Pi[ Spoil Volume 5 <br /> Volume Calculations (Postmining Topography) g <br /> Postmining Drainage Channels 10 <br />• Disturbance Area 17 <br /> References Cited 14 <br />LIST OF FIGURES <br />Figure No. Pape <br />20-1 Postmining Topography Typical Mass Balance 8 <br />LIST OF TABLES <br />Table No. Pape <br />20-1 Postmining Landform Mass Balance 6 <br />20-tA Postmining Material Mass Balance 7 <br />20-2 Premining and Postmining Drainage Summary 12 <br />• <br />i Revised 9/98 <br />