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<br /> ND TES:
<br /> • Gateroad entries for longwall panels LWEl through LWEB
<br /> were generally developed from west to east and then
<br /> longwall mined from east to west. These longwall
<br /> panels were mined in order from north to south within
<br /> the coal lease areas shown.
<br /> • The proposed western longwall panels LWE9 through �p,DO C/�
<br /> LEGEND THIS DRAWING WAS PREPARED UNDER
<br /> LWE12 will likely be the last E Seam panels mined due �,0.,,.....� F�,
<br /> . to the locations along the main entries. MY SUPERVISION AND REPRESENTS ��.•GP A' �'/��sFO
<br /> - - -' PeTI111t Area Boundary INFORMATION THAT IS ACCURATE TO �•�` ��,�
<br /> THE BEST OF MY KNOWLEDGE .
<br /> . N
<br /> • The projected panel layout and timing were based on :� 3 02 �•
<br /> - - � — Coal Lease Boundary (Federal Lease C-1362 Excludes the best available exploration data, professional .�
<br /> 24.8 Acres Under Minnesota Reservoir a. k. a. judgement, and markets at the time this map was ,�.L lL/ , �'°�,';?� ���.•''��,Q
<br /> Inde endent Reservoir or Monument Daml prepared. Pillar and panel dimensions may be adjusted �
<br /> P / within the Projected Potential Mining Area and perrnit S��NALEN
<br /> ��"�"��`�"' Approximate limit of the maximum predicted 19° boundary if warranted by actual mining conditions,
<br /> E—seam angle of dr'a w.'. including coal thickness, coal quality, and geotechnical
<br /> conditions to fulfill federal coal lease maximum
<br /> Maximum Projected Areal Extent of economic recovery requirements.
<br /> Potential Mineable E—seam.Y� 1, See Exhibit 60E. The actual E-seam angle-of-draw DRAwN
<br /> �� � � 5174 Highway 133
<br /> has been conservatively calculated as 16.3° (See N DATE BY Somerset, C081434
<br /> Projected E Seam mining Appendix B of the Spring 2010 Subsidence Report.) lz/31/1ry TR-�aa anx Operated by Mountain Coal Company, L.L.C.
<br /> REVISED A subsidiary of Arch Resources,Inc.
<br /> The angle of draw is measured using the greatest DATE BY
<br /> — MINED AREAS vertical distance between the top of the E seam at the ,-,9-,e �a-144 �B�
<br /> nearest edge of each longwall panel and the ground 3-�s-�e PR-15 �H�
<br /> surface elevation equal to the point of no discernable 8-29-18 PR-�5 EOL MAP 51
<br /> � — PROJECTED PO TENTIAL MINING AREA 20�1—2025 subsidence. z-�-z� TR-149 CBG
<br /> 2, Also referred to as the "Projected Potential Mining E-SEAM PROJECTED OPERATIONS
<br /> — AREA OF IN—MINE EXPLORATION Area. °� Although not anticipated (based on available
<br /> da ta, as a bove), should mining be extended in this
<br /> area and beyond the projected E-seam mining shown,
<br /> the associated projected impacts of subsidence have
<br /> been evaluated in Exhibits 55B & 60E.
<br /> CoORDINATE SCALE FILE N0.
<br /> SYSTEM � 2000
<br /> `--�-I TR-149-M51-REV2C.DWG
<br /> NAD 27 Pn[h: N:\liCC-ENGiNEERING\ENV PERMI7TING\REVISIONS -
<br /> f@8t TR\TR-149 UPDATES OF EX}IIBI75 BOE AND SSH
<br />
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