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TITLE PAGE NO. <br />4.14 BACKFILLING AND GRADING........................................................................................... 4.14-1 <br />4.14.1 <br />GENERAL REQUIREMENTS.................................................................................................... 4.14-1 <br />4.14.2 <br />GENERAL GRADING REQUIREMENTS....................................................................................4.14-4 <br />4.14.3 <br />COVERING COAL AND ACID AND TOXIC FORMING MATERIALS ........................................... <br />4.14-4 <br />4.14.4 <br />THIN OVERBURDEN.............................................................................................................. <br />4.14-5 <br />4.14.5 <br />THICK OVERBURDEN............................................................................................................4.14-5 <br />4.14.6 <br />REGRADING OR STABILIZING FILLS AND GULLIES................................................................ <br />4.14-6 <br />4.15 <br />REVEVEGATION REQUIREMENTS................................................................................... 4.15-1 <br />4.15.1 <br />GENERAL REQUIREMENTS.................................................................................................... <br />4.15-1 <br />4.15.1(4) VEGETATION MONITORING...................................................................................................4.15-1 <br />4.15.2 <br />USE OF INTRODUCED SPECIES...............................................................................................4.15-2 <br />4.15.3 <br />SEEDING AND PLANTING.......................................................................................................4.15-3 <br />4.15.4 <br />MULCHING AND OTHER SOIL STABILIZING PRACTICES........................................................ <br />4.15-3 <br />4.15.5 <br />GRAZING...............................................................................................................................4.15-4 <br />4.15.6 <br />FIELD TRIALS........................................................................................................................ <br />4.15-4 <br />4.15.7 <br />DETERMINING REVEGETATION SUCCESS: GENERAL REQUIREMENTS AND STANDARDS.... <br />4.15-12 <br />4.15.8 <br />REVEGETATION SUCCESS CRITERIA................................................................................... <br />4.15-15 <br />4.15.9 <br />REVEGETATION SUCCESS CRITERIA: CROPLAND................................................................ <br />4.15-28 <br />4.15.10 <br />REVEGETATION SUCCESS CRITERIA: PREVIOUSLY MINED AREAS TO BE DEVELOPED <br />FOR INDUSTRIAL OR RESIDENTIAL USE.............................................................................. <br />4.15-28 <br />4.15.11 <br />REVEGETATION SAMPLING METHODS AND STATISTICAL DEMONSTRATION FOR <br />REVEGETATION SUCCESS/COMMUNITY MAPPING/STRATIFICATION............................4.15-28 <br />4.16 <br />POSTMINING LAND USE...................................................................................................... <br />4.16-1 <br />4.16.1 <br />GENERAL.............................................................................................................................. <br />4.16-1 <br />4.16.2 <br />DETERMINING USE OF LAND................................................................................................ <br />4.16-1 <br />4.16.3 <br />PRIOR TO RELEASE OF LANDS FROM THE PERMIT AREA IN ACCORDANCE WITH <br />3.03.1(2)(C)........................................................................................................................... <br />4.16-1 <br />4.17 AIR RESOURCES PROTECTION......................................................................................... 4.17-1 <br />4.18 PROTECTION OF FISH, WILDLIFE, AND RELATED ENVIRONMENTAL <br />VALUES..................................................................................................................................... 4.18-1 <br />4.19 PROTECTION OF UNDERGROUND MINING................................................................... 4.19-1 <br />4.20 PROTECTION OF UNDERGROUND MINING....................................................................4.20.1 <br />4.21 COAL EXPLORATION........................................................................................................... 4.21-1 <br />4.21.1 SCOPE................................................................................................................................... 4.21-1 <br />4.21.2 GENERAL RESPONSIBILITY OF PERSONS CONDUCTING COAL EXPLORATION ....................... 4.21-1 <br />Table of Contents v Revision Date: 3/14/08 <br />Revision No: TR -72 <br />