2017-06-02_PERMIT FILE - C1980007A ‎(2)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 6/2/2017
• Doc Name: E-Seam Projected Operations
• Section_Exhibit Name: Map 51
• Media Type: M
• Archive: Yes

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NOTES:
•Gateroad entries for longwall panels already mined and
proposed to be mined through 2016 are generally
developed from west to east and then longwall mined
from east to west. These longwall panels will typically
be mined in order from north to south within the coal
LEGEND lease areas shown.
_ Permit Area Boundary •For the western longwall panels proposed to be mined
in 2017 through 2021, the southern-most panel is
proposed to be mined first and then the northern
Coal Lease Boundary (Federal Lease
three panels will typically be mined in order from
THIS DRAWING WAS PREPARED UNDER
---- --- ----
north to south within the coal lease areas shown« p o CIO
C--1362 Excludes 24.8 Acres MY SUPERVISION AND REPRESENTS �� *0•P•�900* 'sue
Under Minnesota .Reservoir •The projected panel layout and timing were based on INFORMATION THAT IS ACCURATE TO C6 �,�00,
a«k«a. Independent
Reservoir or the best a voila ble exploration data, professional THE BEST OF MY KNOWLEDGE m
judgement, and markets at the time this map was 02 'K:
Monument Darn) /,y/ •
prepared. Pillar and panel dimensions may be adjusted �' • ••
within the Projected Potential Mining Area and permit , S' �►
A Approximate limit of the maximum predicted 190 boundary if warranted by actual mining conditions, �• �p'�� `r1aMALVN'
E-Seam angle of dra w«r including coal thickness, coal quality, and geotechnical A\`L
conditions to fulfill federal coal lease maximum VWa
economic recovery requirements.
d 6121V
ve
.Maximum Projected Areal Extent of
1« See Exhibit 60.E'. The actual E-seam angle-of-draw pppro
Potential Mineable E--seam. ,e has been conservatively calculated as 16.3° (See
Appendix B of the Spring 2010 Subsidence Report MO UNTAIN COAL WEST ELK MINE
Projected E Seam mining The angle of draw is measured using the greatest
vertical distance between the top of the E seam at the COMPANY. L.L.C. 5174 HWY. 133
nearest edge of each longwall panel and the ground SOMERSET, CO. 81434
surface elevation equal to the point of no discernable
--°- .MINED AREAS subsidence. .MAP 51 — E—SEAM PROJECTED OPERATIONS
2. Also referred to as the Projected Potential Mining
PROJECTED POTENTIAL .MINING AREA THROUGH �'01 �' Area. " Although not anticipated (based on available ENGiNEERING/DRAWING BY DATE SCALE
-- PR
data, as above), should mining be extended in this CgC 5/25195 1" = 2000'
area and beyond the projected E-seam mining shown,
:+:':`:':•:+:`:'` PROJECTED POTENTIAL .MINING AREA 2 018--2 022
APPROVED BY DATE REV. - REV. NO ACAD N .
•+•«•«•«««•«•+•«•« -- the associated projected impacts of subsidence have KGW 11-17-10 - Tn-124 GAG
been evaluated in Exhibits 55B & 60E. 06-7-14 - M-404 VrW 14EE401T-TR-141.DWG
06-03-17' - M-141 GM