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Displacement <br />(ft) <br />Minimum <br />Principal <br />Stress <br />(psf)[534-61 Trapper_FLAC3D.cdr 16 and 17] 31ep/rjl(7- -2024) <br />0 <br />0 <br />-0.0025 <br />-10000 <br />-0.0050 <br />-20000 <br />-0.0075 <br />-30000 <br />-0.0100 <br />-40000 <br />-0.0125 <br />-50000 <br />-0.0150 <br />-60000 <br />-0.0175 <br />-70000 <br />-0.0200 <br />-80000 <br />-0.0225 <br />-84000 <br />-0.0250 <br />Figure 16. Vertical Displacement Contours after Mining is Complete, <br />with Maximum Values ofApproximately 0.025 ft, or 0.3- inches <br />Figure 17. Major Principal Stress Contours with Base Case Strengths <br />Tonia Perkins <br />July 31, 2024 <br />Page 27