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Sanborn Creek Subsidence Page 27 September 2, 1997 <br /> Table 6 (Continued). Maximum surface subsidence predictions over <br /> gateroad pillars between longwall panels as the results of crushing <br /> and fail ure. <br /> Panel Local Gateroad Local Average Local <br /> Ident Panel Area Percent Pillar Maximum <br />- Depth Support Extraction Stress Surface <br /> Width L,,,,,, Subsidence <br /> (ft) (m) (ft) (MPa) ($) (ft) <br /> <br /> #6 ~ 2220 676 700 90.5$ 167 48.5 4.12 <br /> #7 24300psi <br /> 2000 610 151 47.2 9.02 <br />- 21900psi <br /> 1500 457 113 93.8 3.72 <br /> 16400psi <br /> 1565 977 118 44.3 3.77 <br />,_ 17100psi <br /> #B 6 2460 751 615 69.2$ 169 98.7 4.14 <br /> #9 23700psi <br /> 2000 610 133 45.7 3.88 <br /> 19300psi <br /> 1500 957 100 92.3 3.60 <br /> 14500psi <br /> 1000 305 - 66 37.9 3.18 <br /> 9640psi <br /> <br /> 850 259 56 36.0 3.06 <br />I. 8190psi <br /> #9 6 2520 768 615 89.2$ 167 48.4 4.12 <br /> #10 29300psi <br />L <br /> 2500 762 166 48.8 4.15 <br />L 24100psi <br /> 2000 610 133 46.2 3.93 <br /> 19300psi <br />L <br /> 1500 957 100 42.7 3.63 <br /> 19500psi <br /> 1060 323 70 36.6 3.28 <br />• <br />l 10200psi <br />_ 2 7 <br />