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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 />Initial <br />Gradient <br />Gradient <br />Predicted <br />Subsided <br />Gradient <br />> 0.08 <br />1939 <br />33216 <br />52247 <br />6624.00 <br />48199 <br />6619.92 <br />0.009 <br />0.004 <br />1940 <br />33176 <br />52247 <br />6624.38 <br />48236 <br />6620.15 <br />- 0.010 <br />-0.006 <br />1941 <br />33136 <br />52261 <br />6624.17 <br />48280 <br />6619.81 <br />0.005 <br />0.008 <br />1942 <br />33111 <br />52242 <br />6623.35 <br />48317 <br />6619.03 <br />0.022 <br />0.021 <br />1943 <br />33081 <br />52204 <br />6623.87 <br />48358 <br />6619.74 <br />-0.013 <br />-0.017 <br />1944 <br />33046 <br />52221 <br />6624.49 <br />48388 <br />6620.16 <br />-0.021 <br />-0.014 <br />1945 <br />33030 <br />52272 <br />6624.12 <br />48441 <br />6619.57 <br />0.007 <br />0.011 <br />1946 <br />33003 <br />52311 <br />6624.41 <br />48487 <br />6619.75 <br />-0.006 <br />-0.004 <br />1947 <br />32982 <br />52372 <br />6623.81 <br />48549 <br />6619.05 <br />0.010 <br />0.011 <br />1948 <br />32983 <br />52423 <br />6623.85 <br />48600 <br />6619.10 <br />-0.001 <br />-0.001 <br />1949 <br />32962 <br />52487 <br />6623.50 <br />48666 <br />6618.88 <br />0.005 <br />0.003 <br />1950 <br />32972 <br />52532 <br />662155 <br />48709 <br />6619.05 <br />-0.001 <br />-0.004 <br />1951 <br />32998 <br />52564 <br />6623.71 <br />48738 <br />6619.29 <br />-0.005 <br />-0.008 <br />1952 <br />33025 <br />52564 <br />6622.91 <br />48761 <br />6618.47 <br />0.034 <br />0.035 <br />1953 <br />33061 <br />52533 <br />6622.51 <br />48809 <br />6617.92 <br />0.008 <br />0.011 <br />1954 <br />33092 <br />52562 <br />6623.41 <br />48860 <br />6618.87 <br />-0.017 <br />-0.018 <br />1955 <br />33090 <br />52595 <br />6623.28 <br />48900 <br />6618.85 <br />0.003 <br />0.001 <br />1956 <br />33051 <br />52649 <br />6623.22 <br />48969 <br />6619.16 <br />0.001 <br />-0.004 <br />1957 <br />33006 <br />52676 <br />6622.63 <br />49023 <br />6618.90 <br />0.011 <br />0.005 <br />1958 <br />32978 <br />52652 <br />6623.08 <br />49064 <br />6619.23 <br />-0.011 <br />-0.008 <br />1959 <br />32946 <br />52613 <br />6623.09 <br />49103 <br />6619.03 <br />0.000 <br />0.005 <br />1960 <br />32925 <br />52653 <br />662162 <br />49138 <br />6619.95 <br />-0.015 <br />-0.026 <br />1961 <br />32921 <br />52691 <br />6623.98 <br />49172 <br />6620.66 <br />-0.010 <br />-0.021 <br />1962 <br />32911 <br />52734 <br />6623.64 <br />49217 <br />6620.80 <br />0.008 <br />-0.003 <br />1963 <br />32919 <br />52773 <br />6621.95 <br />49243 <br />6619.41 <br />0.066 <br />0.054 <br />1964 <br />32961 <br />52759 <br />662323 <br />49280 <br />6620.55 <br />-0.037 <br />-0.030 <br />1965 <br />33017 <br />52720 <br />6621.95 <br />49351 <br />6618.58 <br />0.020 <br />0.028 <br />1966 <br />33041 <br />52748 <br />6621.79 <br />49402 <br />6618.62 <br />0.003 <br />-0.001 <br />1967 <br />33013 <br />52816 <br />6622.94 <br />49477 <br />6620.49 <br />-0.015 <br />-0.025 <br />1968 <br />32986 <br />52844 <br />6623.00 <br />49521 <br />6620.91 <br />-0.001 <br />-0.010 <br />1969 <br />32937 <br />52854 <br />662152 <br />49569 <br />6621.70 <br />-0.011 <br />-0.016 <br />1970 <br />32884 <br />52879 <br />6622.52 <br />49620 <br />6621.06 <br />0.020 <br />0,013 <br />1971 <br />32882 <br />52952 <br />6623.68 <br />49686 <br />6622.76 <br />-0.018 <br />-0.026 <br />1972 <br />32906 <br />53020 <br />6623.45 <br />49757 <br />6622.85 <br />0.003 <br />-0.001 <br />1973 <br />32952 <br />53074 <br />6623.06 <br />49824 <br />6622.57 <br />0.006 <br />0.004 <br />1974 <br />32983 <br />53111 <br />6623.41 <br />49870 <br />6622.99 <br />-0.008 <br />-0.009 <br />1975 <br />33042 <br />53142 <br />6623.91 <br />49931 <br />6623.51 <br />- 0.008 <br />-0.009 <br />1976 <br />33081 <br />53164 <br />6623.24 <br />49983 <br />6622.87 <br />0.013 <br />0.013 <br />1977 <br />33114 <br />53233 <br />6622.35 <br />50053 <br />6622.10 <br />0.013 <br />0.011 <br />1978 <br />33172 <br />53261 <br />6622.87 <br />50118 <br />6622.64 <br />-0.008 <br />-0.008 <br />1979 <br />33233 <br />53276 <br />6622.84 <br />50175 <br />6622.60 <br />0.001 <br />0.001 <br />1980 <br />33267 <br />53294 <br />6623.62 <br />50218 <br />6623.38 <br />-0.018 <br />-0.018 <br />1981 <br />33324 <br />53301 <br />6623.76 <br />50274 <br />6623.50 <br />-0.003 <br />-0.002 <br />1982 <br />33473 <br />53309 <br />6622.64 <br />50416 <br />6622.29 <br />0.008 <br />0.009 <br />1983 <br />33498 <br />53314 <br />6622.09 <br />50441 <br />6621.73 <br />0.021 <br />0.022 <br />1984 <br />33523 <br />53319 <br />6621.53 <br />50495 <br />6621.16 <br />0.010 <br />0.011 <br />1985 <br />33549 <br />53323 <br />6620.98 <br />50519 <br />6620.59 <br />0.023 <br />0.023 <br />Jan 2014 NMD Subsidence Prediction Rev 25.x18: Table 2 PN: 2013 -26 <br />