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SubTerra, Inc. Twentymile Coal Company 6125/2014 <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 />1798 <br />31595 <br />50203 <br />6631.11 <br />41816 <br />6628.48 <br />-0.009 <br />-0.013 <br />1799 <br />31543 <br />50157 <br />6630.97 <br />41883 <br />6628.59 <br />0.002 <br />-0.002 <br />1800 <br />31510 <br />50127 <br />6630.61 <br />41919 <br />6628.39 <br />0.010 <br />0.006 <br />1801 <br />31477 <br />50146 <br />6630.55 <br />41944 <br />6628.06 <br />0.002 <br />0.013 <br />1802 <br />31488 <br />50186 <br />6630.77 <br />41986 <br />6627.96 <br />-0.005 <br />0.002 <br />1803 <br />31463 <br />50211 <br />6630.33 <br />42026 <br />6627.22 <br />0.011 <br />0.018 <br />1804 <br />31417 <br />50228 <br />6631.21 <br />42076 <br />6627.81 <br />-0.018 <br />-0.012 <br />1805 <br />31384 <br />50233 <br />6629.52 <br />42106 <br />6625.97 <br />0.056 <br />0.061 <br />1806 <br />31358 <br />50258 <br />6630.46 <br />42130 <br />6626.66 <br />-0.039 <br />-0.029 <br />1807 <br />31380 <br />50296 <br />6630.90 <br />42166 <br />6626.82 <br />-0.012 <br />-0.004 <br />1808 <br />31432 <br />50306 <br />6630.61 <br />42209 <br />6626.62 <br />0.007 <br />0.005 <br />1809 <br />31471 <br />50285 <br />6631.30 <br />42251 <br />6627.59 <br />-0,017 <br />-0.023 <br />1810 <br />31494 <br />50278 <br />6630.80 <br />42289 <br />6627.21 <br />0.013 <br />0.010 <br />1811 <br />31523 <br />50307 <br />6630.69 <br />42330 <br />6626.95 <br />0.003 <br />0.006 <br />1812 <br />31546 <br />50344 <br />6630.30 <br />42373 <br />6626.34 <br />0.009 <br />0.014 <br />1813 <br />31574 <br />50361 <br />6629.87 <br />42398 <br />6625.81 <br />0.017 <br />0.021 <br />1814 <br />31599 <br />50356 <br />6631.13 <br />42425 <br />6627.24 <br />-0.047 <br />-0.053 <br />1815 <br />31627 <br />50375 <br />6630.16 <br />42463 <br />6626.17 <br />0.025 <br />0.028 <br />1816 <br />31639 <br />50409 <br />6630.22 <br />42502 <br />6625.88 <br />-0.001 <br />0.008 <br />1817 <br />31638 <br />50447 <br />6629.62 <br />42543 <br />6624.94 <br />0.014 <br />0.022 <br />1818 <br />31606 <br />50481 <br />6630.69 <br />42594 <br />6625.77 <br />-0.021 <br />-0.016 <br />1819 <br />31564 <br />50497 <br />6630.08 <br />42633 <br />6625.08 <br />0.016 <br />0,018 <br />1820 <br />31558 <br />50540 <br />6629.49 <br />42666 <br />6624.35 <br />0.018 <br />0,022 <br />1821 <br />31600 <br />50542 <br />6630.06 <br />42697 <br />6624.96 <br />-0.019 <br />-0,020 <br />1822 <br />31638 <br />50528 <br />6629.94 <br />42739 <br />6624.92 <br />0.003 <br />0.001 <br />1823 <br />31679 <br />50515 <br />6629.99 <br />42780 <br />6625.05 <br />-0.001 <br />-0.003 <br />1824 <br />31720 <br />50506 <br />6630.14 <br />42824 <br />6625.29 <br />-0.003 <br />-0.005 <br />1825 <br />31757 <br />50487 <br />6630.51 <br />42867 <br />6625.85 <br />-0.009 <br />-0.013 <br />1826 <br />31784 <br />50499 <br />6630.28 <br />42902 <br />6625.59 <br />0.007 <br />0.008 <br />1827 <br />31790 <br />50525 <br />6628.76 <br />42932 <br />6623.93 <br />0.050 <br />0.055 <br />1828 <br />31779 <br />50545 <br />6629.13 <br />42959 <br />6624.21 <br />-0.014 <br />-0.010 <br />1829 <br />31724 <br />50570 <br />6629.92 <br />43018 <br />6624.86 <br />-0.013 <br />-0.011 <br />1830 <br />31706 <br />50621 <br />6630.36 <br />43068 <br />6625.15 <br />-0.009 <br />-0.006 <br />1831 <br />31694 <br />50665 <br />6630.64 <br />43112 <br />6625.38 <br />-0.006 <br />-0.005 <br />1832 <br />31699 <br />50707 <br />6630.38 <br />43150 <br />6625.14 <br />0.007 <br />0.006 <br />1833 <br />31720 <br />50737 <br />6630.01 <br />43190 <br />6624.79 <br />0.009 <br />0.009 <br />1834 <br />31716 <br />50803 <br />6629.78 <br />43255 <br />6624.70 <br />0.004 <br />0.001 <br />1835 <br />31725 <br />50840 <br />6629.15 <br />43288 <br />6624.23 <br />0.019 <br />0.014 <br />1836 <br />31763 <br />50888 <br />6629.38 <br />43348 <br />6624.67 <br />-0.004 <br />-0.007 <br />1837 <br />31817 <br />50915 <br />6629.28 <br />43408 <br />6624.63 <br />0.002 <br />0.001 <br />1838 <br />31847 <br />50919 <br />6628.79 <br />43431 <br />6624.08 <br />0.022 <br />0.024 <br />1839 <br />31878 <br />50884 <br />6629.13 <br />43473 <br />6624.14 <br />-0.008 <br />-0.001 <br />1840 <br />31914 <br />50870 <br />6628.59 <br />43517 <br />6623.51 <br />0.012 <br />0.014 <br />1841 <br />31967 <br />50896 <br />6628.87 <br />43571 <br />6623.81 <br />-0.005 <br />-0.006 <br />1842 <br />32010 <br />50858 <br />6628.55 <br />43624 <br />6623.36 <br />0.006 <br />0.009 <br />1843 <br />32047 <br />50853 <br />6628.60 <br />43671 <br />6623.39 <br />-0.001 <br />-0.001 <br />1844 <br />32052 <br />50881 <br />6629.14 <br />43708 <br />6623.95 <br />-0.014 <br />-0.015 <br />Jan 2014 NMD Subsidence Prediction Rev 25.xls: Table 2 PN: 2013 -26 <br />