2018-08-27_PERMIT FILE - C1981018

• Permit No: C1981018
• IBM Index Class Name: Permit File
• Doc Date: 8/27/2018
• Section_Exhibit Name: Section III. Mine Description
• Media Type: D
• Archive: No

TABLE OF CONTENTS
III. MINE DESCRIPTION
III.A Underground Development....................................................................................III-1
III.A.1
Mine Openings.........................................................................................
III -2
III.A.1.a Portal -D Seam.........................................................................
III -2
III.A.1.b Ventilation Entries - D Seam .....................................................
III -2
II.A.1.c Portal -13 Seam.........................................................................111-2
II.A.1.d Ventilation Entries - B Seam.....................................................111-2
III.A.2
Mining Systems..........................................................................................
III -2
III.A.2.a Room and Pillar Mining.............................................................
III -4
III.A.2.b Longwall Mining.........................................................................III-4
III.A.2.c Mining Method Decision............................................................
III -6
Ill.A.3
Mining Sequence........................................................................................
III -6
III.A.4
Mining Equipment.......................................................................................III-7
III.A.5
Roof Control................................................................................................
III -7
III.A.6
Mining Plan.................................................................................................III-8
III.A.7
Subsidence.................................................................................................III-8
III.A.7.a Subsidence Area Survey..........................................................
III -8
III.A.7.b Subsidence Control...................................................................
III -9
Ill.A.7.c Subsidence Prediction.............................................................
III -11
III.A.7.d Horizontal Strain Prediction.....................................................
III -14
III.A.7.e Pillar Failure Subsidence Potential .........................................
III -14
III.A.7.f Conclusions..............................................................................III-14
II.A.7.g Subsidence Prevention...........................................................111-17
III.A.7.h Damage Mitigation..................................................................
III -18
III.A.7.i General Subsidence Control ....................................................
III -19
III.A.7.j Red Wash and Scullion Gulch .................................................
III -19
III.A.7.k Subsidence Effects on the Powerline
..................................... III -21
III.A.7.1 Subsidence Monitoring Program..............................................III-22
III.A.8
Mine Ventilation........................................................................................
III -26
ll.A.9
Underground Transportation....................................................................
III -28
111.6 Surface Support Facilities........................................................................................
III -28
111.6.1
Coal Handling and Storage......................................................................
III -28
II.B.2
Coal Preparation Plant.............................................................................
III -29
111.6.3
Refuse Disposal.......................................................................................III-29
111.6.4
Temporary Coal Laydown Area...............................................................
III -30
III.0 Auxiliary
Facilities....................................................................................................
III -30
III.D Utilities.....................................................................................................................
III -33
Permit Revision #8 (2/2013)