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SubTerra, Inc. Twentymile Coal Company 6/25/2014 <br />Wolf Creek Seam Extraction <br />Table 2: Predicted Subsidence and Gradient Change Along Fish Creek <br />Section <br />No. <br />East <br />(ft) <br />North <br />(ft) <br />Elevation <br />(ft) <br />Distance <br />From <br />200 <br />(ft) <br />Predicted <br />Subsided <br />Elevation <br />(ft) <br />Predicted <br />Initial Subsided <br />Gradient Gradient <br />Gradient > 0.08 <br />1751 <br />31318 <br />49856 <br />6633.21 <br />40031 <br />6631.49 <br />-0.059 <br />-0.060 <br />1752 <br />31326 <br />49891 <br />6631.31 <br />40072 <br />6629.73 <br />0.046 <br />0.042 <br />1753 <br />31302 <br />49902 <br />6632.25 <br />40103 <br />6630.68 <br />-0.030 <br />-0.031 <br />1754 <br />31262 <br />49899 <br />6632.74 <br />40146 <br />6631.16 <br />-0.011 <br />-0.011 <br />1755 <br />31235 <br />49869 <br />6632,26 <br />40183 <br />6630.68 <br />0.013 <br />0.013 <br />1756 <br />31198 <br />49882 <br />6632.02 <br />40211 <br />6630.44 <br />0,009 <br />0.009 <br />1757 <br />31192 <br />49907 <br />6632.36 <br />40240 <br />6630.75 <br />-0.012 <br />-0.010 <br />1758 <br />31164 <br />49921 <br />6631.81 <br />40272 <br />6630.10 <br />0.017 <br />0.020 <br />1759 <br />31126 <br />49901 <br />6632.41 <br />40315 <br />6630.72 <br />-0.014 <br />-0.015 <br />1760 <br />31098 <br />49928 <br />6632.35 <br />40337 <br />6630.48 <br />0.003 <br />0.011 <br />1761 <br />31105 <br />49950 <br />6630.88 <br />40351 <br />6628.90 <br />0.102 <br />0.110 <br />1762 <br />31139 <br />49954 <br />6631.84 <br />40381 <br />6629.91 <br />-0.032 <br />-0.034 <br />1763 <br />31174 <br />49968 <br />6632.77 <br />40422 <br />6630.82 <br />-0.023 <br />-0.022 <br />1764 <br />31220 <br />49971 <br />6632.36 <br />40464 <br />6630.49 <br />0,010 <br />0.008 <br />1765 <br />31287 <br />49988 <br />6632.92 <br />40535 <br />6631.10 <br />-0.008 <br />-0.009 <br />1766 <br />31387 <br />50005 <br />6631.64 <br />40634 <br />6629.90 <br />0.013 <br />0.012 <br />1767 <br />31435 <br />49985 <br />6632.35 <br />40687 <br />6630.77 <br />-0.013 <br />-0.016 <br />1768 <br />31459 <br />50017 <br />6633.10 <br />40729 <br />6631.42 <br />-0.018 <br />-0.015 <br />1769 <br />31481 <br />50051 <br />6631.43 <br />40764 <br />6629.63 <br />0.049 <br />0.052 <br />1770 <br />31508 <br />50047 <br />6631.30 <br />40783 <br />6629.57 <br />0.007 <br />0.004 <br />1771 <br />31540 <br />50011 <br />6631.88 <br />40825 <br />6630.31 <br />-0.014 <br />-0.017 <br />1772 <br />31548 <br />49962 <br />6632.09 <br />40875 <br />6630.47 <br />-0.004 <br />-0.003 <br />1773 <br />31570 <br />49938 <br />6631.70 <br />40907 <br />6629.94 <br />0.012 <br />0.017 <br />1774 <br />31602 <br />49922 <br />6632.06 <br />40945 <br />6630.13 <br />-0.009 <br />-0.005 <br />1775 <br />31637 <br />49912 <br />6631.33 <br />40985 <br />6629.24 <br />0.018 <br />0.023 <br />1776 <br />31661 <br />49925 <br />6632.18 <br />41015 <br />6630.13 <br />-0.028 <br />-0.029 <br />1777 <br />31674 <br />49959 <br />6632.50 <br />41054 <br />6630.66 <br />-0.008 <br />-0.014 <br />1778 <br />31683 <br />50000 <br />6632.17 <br />41099 <br />6630.51 <br />0.007 <br />0.003 <br />1779 <br />31696 <br />50032 <br />6631.72 <br />41130 <br />6630.14 <br />0.014 <br />0.012 <br />1780 <br />31704 <br />50073 <br />6631.39 <br />41173 <br />6629.82 <br />0.008 <br />0.008 <br />1781 <br />31697 <br />50107 <br />6631.82 <br />41214 <br />6630.11 <br />-0.010 <br />-0.007 <br />1782 <br />31682 <br />50151 <br />6631.54 <br />41234 <br />6629.58 <br />0.014 <br />0.026 <br />1783 <br />31687 <br />50188 <br />6631.04 <br />41284 <br />6628.84 <br />0.010 <br />0.015 <br />1784 <br />31704 <br />50202 <br />6631.22 <br />41304 <br />6628.95 <br />-0.009 <br />-0.006 <br />1785 <br />31743 <br />50202 <br />6631.94 <br />41334 <br />6629.80 <br />-0.023 <br />-0.028 <br />1786 <br />31774 <br />50203 <br />6631.85 <br />41370 <br />6629.77 <br />0.003 <br />0.001 <br />1787 <br />31802 <br />50223 <br />6631.49 <br />41407 <br />6629.35 <br />0.010 <br />0.011 <br />1788 <br />31821 <br />50262 <br />6632.27 <br />41454 <br />6629.84 <br />-0.016 <br />-0.010 <br />1789 <br />31819 <br />50299 <br />6631.52 <br />41494 <br />6628.74 <br />0.019 <br />0.028 <br />1790 <br />31804 <br />50328 <br />6631.40 <br />41529 <br />6628.32 <br />0.003 <br />0.012 <br />1791 <br />31775 <br />50348 <br />6630.50 <br />41567 <br />6627.15 <br />0.024 <br />0.031 <br />1792 <br />31754 <br />50348 <br />6630.47 <br />41593 <br />6627.06 <br />0.001 <br />0.003 <br />1793 <br />31733 <br />50326 <br />6631.12 <br />41623 <br />6627.84 <br />-0.021 <br />-0.026 <br />1794 <br />31712 <br />50310 1 <br />6630.90 <br />41647 <br />6627.69 <br />0.010 <br />0.006 <br />1795 <br />31670 <br />50297 1 <br />6630.80 <br />41690 <br />6627.58 <br />0.002 <br />0.003 <br />1796 <br />31643 <br />50273 <br />6630.23 <br />41730 <br />6627.13 <br />0.014 <br />0.011 <br />1797 <br />31629 <br />50235 <br />6630.68 <br />41769 <br />6627.88 <br />-0.011 <br />-0.019 <br />Jan 2014 NMD Subsidence Prediction Rev 25.xis: Table 2 PN: 2013 -26 <br />