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Sanborn Creek Subsidence Page 28 September 2, 1997 <br /> Table 6 (Continu ed). Maximum surface subsidence predictions over <br /> gateroad pillars between longwall panels as the results of crushing <br /> and failure. <br /> Panel Local Gateroad Local Average Local <br /> Ident Panel Area Percent Pillar Maximum <br /> Depth Support Extraction Stress Surface <br /> Width Lm,,, Subsidence <br /> (ft) (m) (ft) (MPa) ($) (ft) <br /> <br /> #11 6 2360 719 615 89.2$ 157 97.7 9.06 <br /> #12 22800psi <br /> 2000 610 133 45.7 3.89 <br />- 19300psi <br /> 1500 457 100 42.3 3.60 <br />- 19500psi <br /> 1000 305 66 37.4 3.18 <br /> 9690psi <br /> 1340 908 89 40.9 3.48 <br /> 12900psi <br /> #12 ~ 2360 719 590 88.7$ 150 47.2 9.01 <br /> #13 21700psi <br /> 2000 610 127 95.2 3.84 <br /> 18900psi <br />u 1500 957 95 41.7 3.55 <br /> 13800psi <br /> 1000 305 63 36.9 3.17 <br /> 9210psi <br />u 1510 460 96 91.8 3.56 <br />- 13900psi <br />f <br />1 <br />L 28 <br />