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C~ <br />• <br />• <br />SubTen-a, inc. <br />Twentymile Coal Company <br />Northern Mining District Subsidence <br />Table 1 -Transverse Subsidence Profile (9-Right) <br />Station Distance <br />From <br />Center Distance Actual <br />Subsidence <br /> (ft) (d/h) (in) (% m) (% Smax) <br />M480 -868 -0.83 -1 1% 1% <br />M481 -789 -0.75 -1 1% 2% <br />M482 -708 -0.67 -2 2% 3% <br />M483 -629 -0.60 -2 2% 4% <br />M484 -550 -0.52 -3 3% 6% <br />M485 -469 -0.45 -6 6% 11% <br />M486 -384 -0.37 -14 14% 26% <br />M487 -307 -0.29 -26 25% 48% <br />M488 -225 -0.21 -39 38% 72% <br />M489 -148 -0.14 -51 50'/0 94% <br />M490 -68 -0.06 -54 53% 100% <br />M491 14 0.01 -48 47% 89% <br />M492 93 0.09 -43 42% 79% <br />M493 172 0.16 -31 30% 57% <br />M494 238 0.23 -16 16% 30% <br />M495 304 0.29 -11 11% 21% <br />M496 376 0.36 -6 6% 12% <br />M497 435 0.41 -4 4% 7% <br />M498 489 0.47 -3 3% 6% <br />M499 541 0.52 -2 2% 3% <br />M500 589 0.56 0 0% 0% <br />M501 632 0.60 0 0% 0% <br /> <br /> <br />PR 97-04 <br />P_REDICT.XLS: Trans Profile 9R <br />EX. 7E-1-2 <br />3118197 <br />4/1/97 <br />PN: 97-11 <br />