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Table 15 -1 <br />Predicted and Actual Subsidence at the Bowie No. 2 Mine <br />Subsidence <br />Mon. Station <br />Seam <br />Overburden <br />Correction <br />Factor <br />Predicted <br />Subsidence <br />Actual <br />Subsidence <br />2 -A <br />D <br />1.270 <br />0.62 <br />5.3 <br />6.2 <br />5 -D <br />D <br />1.390 <br />0.55 <br />4.7 <br />5.8 <br />B <br />1.720 <br />0.41 <br />4.5 <br />4.7 <br />Total 5 -D <br />9.2 <br />10.5 <br />8 -B <br />D <br />1.090 <br />0.71 <br />6.1 <br />5.9 <br />B <br />1.400 <br />0.54 <br />5.4 <br />5.0 <br />Total 8-B <br />11.5 <br />10.9 <br />9 -A <br />D <br />670 <br />0.83 <br />7.1 <br />6.0 <br />B <br />1.000 <br />0.54 <br />8.0 <br />2.1 <br />Total 9-A <br />15.1 <br />8.1 <br />12 -C <br />B <br />1.370 <br />0.54 <br />4.6 <br />6.0 <br />D <br />1.690 <br />0.42 <br />4.6 <br />1.3 <br />Total 12 -C <br />9.2 <br />7.3 <br />13 -A <br />D <br />1.560 <br />0.48 <br />4.1 <br />3.4 <br />18 -E <br />D <br />1.080 <br />0.71 <br />6.1 <br />3.8 <br />19 -E <br />D <br />1.430 <br />0.50 <br />4.3 <br />3.1 <br />21 -D <br />D <br />1.040 <br />0.74 <br />6.4 <br />4.7 <br />B <br />1.630 <br />0.46 <br />5.1 <br />1.0 <br />Total 21 -D <br />11.5 <br />5.7 <br />25 -C <br />WD-2 <br />1.120 <br />0.66 <br />5.7 <br />6.0 <br />B <br />1.400 <br />0.54 <br />6.0 <br />8.1 <br />Total <br />11.7 <br />14.1 <br />26 -E <br />D <br />800 <br />0.85 <br />7.3 <br />8.3 <br />B <br />1.080 <br />0.75 <br />4.5 <br />7.3 <br />Total 26 -D <br />11.8 <br />15.6 <br />PR -14 - 8 - 03/14 <br />