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SubTerra, Inc. Twentymile Coal, LLC 4/5/2016 <br />Wolf Creek Seam Extraction <br />6685.00 <br />c <br />6680.00 <br />O <br />> 6675.00 <br />a) <br />W <br />6670.00 <br />O <br />Q 6665.00 <br />O <br />Q 6660.00 <br />i6655.00 <br />c <br />W <br />6650.00 <br />6645.00 <br />6640.00 <br />Figure 6: Energy Spur Gradient Before and After 9 -East Undermining <br />+ o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 <br />O OO O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O <br />+ + + + + + + + + + + + + + + + + + + + _+ + + + + + + + + + _+ + + + + <br />r N CO � U) W r- CO M O r N M CO f� 00 67 O N CO � LO W r- CO M O N CO � V) <br />r r r r r r r r r r N N N N N N NN N N CO M CO CO CO CO <br />Existing Top of Rail <br />Stationing (ft) <br />Subsided Top of Rail <br />Reballasted Top of Rail <br />NMD 9RIGHT Subsidence Prediction Mar 16 Rev 8: Fig 6 PN: 2013-26 <br />