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TABLE OF CONTENTS <br />g; - ° --.. .. ., �s.:: ;.t, r_, .. �,.a,�' °..» ..�, ::C" .. � v'�'ew°a: .:h ii", .., c • ... "S: mu ., .. .t, _ - =4`��e <br />4.21.1 Scope ................................................................................... ............................... .........................4.21 -1 <br />4.21.2 General Responsibility of Persons Conducting Coal Exploration ..................... .........................4.21 -1 <br />4.21.3 Required Documents ........................................................... ............................... .........................4.21 -1 <br />4.21.4 Performance Standards ....................................................... ............................... .........................4.21 -1 <br />4.21.5 Requirements for a Permit .................................................. ............................... .........................4.21 -2 <br />4.22 CONCURRENT SURFACE AND UNDERGROUND MINING ................. ............................... .........................4.22 -1 <br />4.23 AUGUR AND HIGHWALL MINING .................................................. ............................... .........................4.23 -1 <br />4.23.1 Scope ................................................................................... ............................... .........................4.23 -1 <br />4.23.3 Performance Standards ....................................................... ............................... .........................4.23 -1 <br />4.23.4 Maximize Recoverability of Mineral Reserves .................... ............................... .........................4.23 -1 <br />4.23.5 Undisturbed Areas of Coal Shall Be Left in Unmined Sections ......................... .........................4.23 -2 <br />4.23.6 Abandoned or Active Underground Mine Workings ........... ............................... .........................4.23 -2 <br />4.23.7 Surface Mining Activities and Highwall Mining ................. ............................... .........................4.23 -2 <br />4.23.8 Prevent Pollution of Surface and Groundwater and to Reduce Fire Hazards ... .........................4.23 -2 <br />4.23.9 Division shall prohibit Auger (Highwall Mining) Mining ... ............................... .........................4.23 -2 <br />4.23.10 Backfill and Grading Requirements ................................... ............................... .........................4.23 -3 <br />4.23.11 Highwall Shall be Eliminated ............................................. ............................... .........................4.23 -3 <br />4.24 OPERATIONS IN ALLUVIAL VALLEY FLOORS ................................ ............................... .........................4.24 -1 <br />4.25 OPERATIONS ON PRIME FARMLANDS ............................................ ............................... .........................4.25 -1 <br />4.26 MOUNTAINTOP REMOVAL ............................................................ ............................... .........................4.26 -1 <br />4.27 OPERATIONS ON STEEP SLOPES .................................................... ............................... .........................4.27 -1 <br />4.28 COAL PROCESSING PLANTS AND SUPPORT FACILITIES NOT LOCATED AT OR NEAR THE MINE SITE OR NOT <br />4.28-WITHIN THE PERMIT AREA FOR THE MINE ........................................ ............................... .........................4.28 -1 <br />4.29 IN -SITU PROCESSING .................................................................... ............................... .........................4.29 -1 <br />4.30 CESSATION OF OPERATIONS ......................................................... ............................... .........................4.30 -1 <br />4.30.1 Temporary ........................................................................... ............................... .........................4.31 -1 <br />4.30.2 Permanent ........................................................................... ............................... .........................4.32 -1 <br />RULE 6 BLASTERS TRAINING AND CERTIFICATION .................... ............................... .........................4.33 -1 <br />Table of Contents iv Date Revised: 6/28/12 <br />Revision No: RN -06 <br />