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SubTerra, Inc. Twentymile Coal Company 2/10/99 <br />Northern Mining District <br />1000-ft Case <br /> <br />• <br />• <br />~ Table 1 -Predicted Enerav Saur Subsidence and Gradient Chance I <br />Station North <br /> <br />ft East <br /> <br />fl Predicted <br />Subsidence <br />in Gradient <br />Change <br />398 53573.73 33395.96 100 0 0.0% <br />397 53667.41 33361.29 100 0 0.0% <br />396 53755.33 33313.63 100 0 0.0% <br />395 53843.25 33265.98 100 0 0.0% <br />394 53931.16 33218.33 99 0 0.0% <br />393 54014.37 33165.04 100 0 0.0% <br />392 54076.81 33086.94 100 0 0.0% <br />391 54139.26 33008.83 100 0 0.0% <br />390. 54201.70 32930.72 100 0 0.0% <br />389 54266.90 32854.99 100 0 0.0% <br />388 54334.71 32781.48 100 0 0.0% <br />387 54402.51 32707.98 100 0.0% <br />386 54479.68 32644.42 100 0.0% <br />385 54557.06 32581.07 100 0.0% <br />384 54634.43 32517.72 100 0.0% <br />383 54711.81 32454.37 99 0.0% <br />382 54805.02 32419.73 100 0.0% <br />381 54899.88 32388.09 100 0.0% <br />380 54994.74 32356.45 100 0.0% <br />FC_PRED_1998_201N_CASE_FIN.xIs: Table 1 <br />PN: 99-03 <br />