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C <br />Results and Conclusions <br />Five lines provided adequate data for calculation of a site specific angle of draw resulting <br />from mining D-seam longwali panels. The following table summarizes the angle of draw <br />calculated for each of the five lines. Figure 1 shows the locations of the five lines with <br />respect to the underground mining that occurred. <br /> <br /> <br />Line ID Angle of <br />Draw <br />(degrees) <br />A - A' 21 <br />B - B' 22 <br />E - E' 13 <br />G - G' 16 <br />J - J' 10 <br />Average 16 <br />• <br />Z <br />•