SubTerra, Inc. Twentymile Coal Company 9/28/2014
<br />Wolf Creek Seam Extraction
<br />Table 4: Predicted Subsidence at the Foidel Creek - Steamboat Line
<br />Tower #
<br />Pylon
<br />Easting
<br />Northing
<br />Predicted
<br />Subsidence
<br />Differential
<br />I Subsidence
<br />Permanent
<br />I Tilt
<br />ft
<br />ft
<br />ft
<br />in
<br />ft/ft
<br />SE
<br />33,027
<br />48,122
<br />-2.49
<br />NW
<br />33,544
<br />48,596
<br />-5.29
<br />5811 -17
<br />Center
<br />33,550
<br />48,588
<br />-5.23
<br />-1.45
<br />0.006
<br />SE
<br />33,557
<br />48,581
<br />-5.17
<br />NW
<br />34,125
<br />49,100
<br />-5.55
<br />5811 -18
<br />Center
<br />34,131
<br />49,092
<br />-5.58
<br />0.84
<br />0.004
<br />SE
<br />34,138
<br />L9,085
<br />-5.62
<br />NW
<br />34,796
<br />49,682
<br />-2.35
<br />581 1 -19
<br />Center
<br />34,803
<br />49,675
<br />-2.46
<br />2.73
<br />0.012
<br />SE
<br />341809
<br />49,667
<br />-2.58
<br />NW
<br />35,444
<br />50,244
<br />-2.28
<br />5811 -20
<br />Center
<br />35,451
<br />50,237
<br />-2.19
<br />-1.69
<br />0.007
<br />SE
<br />35,457
<br />50,230
<br />-2.14
<br />NW
<br />36,015
<br />50,739
<br />-4.85
<br />5811 -21
<br />Center
<br />36,021
<br />50,732
<br />-4.80
<br />-1.27
<br />0.005
<br />SE
<br />36,028
<br />50,725
<br />-4.74
<br />NW
<br />36,652
<br />51,292
<br />-3.02
<br />5811 -22
<br />Center
<br />36,658
<br />51,284
<br />-3.04
<br />-0.54
<br />0.002
<br />SE
<br />36,664
<br />51,277
<br />-2.98
<br />NW
<br />37,376
<br />51,920
<br />0.00
<br />5811 23
<br />Center
<br />37,382
<br />51,913
<br />0.00
<br />0.00
<br />0.000
<br />SE
<br />37.389
<br />51905
<br />0.00
<br />NW
<br />38,149
<br />52,591
<br />0.00
<br />5811 -24
<br />Center
<br />38,156
<br />52,583
<br />0.00
<br />0.00
<br />0.000
<br />SE
<br />38,162
<br />52,576
<br />0.00
<br />NW
<br />38,170
<br />53,133
<br />0.00
<br />5811 -25
<br />Center
<br />38,180
<br />53,132
<br />0.00
<br />0.00
<br />0.000
<br />SE
<br />38,189
<br />53,132
<br />0.00
<br />NW
<br />38,186
<br />53,507
<br />0.00
<br />5811 26
<br />Center
<br />38,196
<br />53,507
<br />0.00
<br />0.00
<br />0.000
<br />SE
<br />38.206
<br />53.506
<br />0.00
<br />NW
<br />38,256
<br />55;094
<br />0.00
<br />5811 -27
<br />Center
<br />38,266
<br />55,094
<br />0.00
<br />0.00
<br />0.000
<br />SE
<br />38,276
<br />55,093
<br />0.00
<br />NW
<br />38,282
<br />55,671
<br />0.00
<br />5811 28
<br />Center
<br />38,291
<br />55,671
<br />0.00
<br />0.00
<br />0.000
<br />SE
<br />38 301
<br />55,671
<br />0.00
<br />NW
<br />38,337
<br />56,923
<br />0.00
<br />5811 -29
<br />Center
<br />38,346
<br />56,923
<br />0.00
<br />0.00
<br />0.000
<br />SE
<br />38.356
<br />56.922
<br />CAMyDocs\Active Project Files12013l2013 -26 Twentymile Wolf Creek Power
<br />Lin es\R eports\Spreadsheets\J an 2014 NMD Subsidence Prediction Rev 29.x1s PN: 2013 -26
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