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SUBSIDENCE MONITORING DATA <br />Semi-annual Report, January -June 1993 <br />Twentymile Coal Company, Foidel Creek Mine <br />Monitoring Line 1000 <br /> Surve Elevations ft <br /> <br />Map23A <br />Point <br />Profile <br />Distance <br /> <br />Northin <br /> <br />Eastin Pre-mining <br />Elevation <br />ft Previous <br />Report <br />N/A <br /> <br />03/24/93 <br /> <br />06/23/93 <br />Subsid_e_nce <br />This Period Total <br />1028 0 36613.5 7777.4 6806.8 6806.8 6806.8 0.0 0.0 <br />1027 49 36613.7 7826.0 6790.3 _ <br />6790.3 6790.3 0.0 -0.0 <br />_ _ <br />1026 98 36613.9 7875.8 __ _ <br />6 <br />790.3 6790.3 6790.3 0.0 -0.0 <br />___ <br />1025 149 36613.9 7926.2 _ <br />_6790.2 __ _ <br />_6790.2 __ <br />6790.2 _ <br />0.0 -0.0 <br />1024 200 36613.6 7977.0 6789.1 6789.1 6789.1 0.0 -0.0 <br />1023 248 36613.9 8025.2 6788.9 6788.9 6788.8 _ 0.0 -0.0 <br />__ _ 1022_ <br />__ _ 1021 <br />1020 __ <br />321 <br />_____398 <br />474 36613.8 <br />36614.5 <br />36614.3 8098.9 <br />__ 8175.6 <br />825 <br />1.1 _ ___ <br />____6790.5 <br />6789.9 <br />6805.9 _ _ __ <br />_ _ _ <br />_ <br />_ __ <br />__ 6790.5 <br />_ 6790.0 <br />6805.9 _ 6790.5 <br />6789.9 <br />6805.8 0.0 <br />0.0 <br />0.0 -0.0 <br />-0.0 <br />_ -0.0 <br />1019 <br />1018 _ _ 549 <br />623 _ <br />36614.5 <br />36613.7 _ <br />_ <br />8326.1 <br />8400.8 ____ <br />____6820.5 <br />6831.8 _ <br />__ __ <br />__ 8820.5 <br />6831.9 _6820.5 <br />6831.8 ___ _0.0_ <br />0.0 -0.0 <br />-0.0 <br />_ <br />_ _ 1017 <br />1016 _ <br />_699 <br />773 36613.8 <br />36614.9 _ _ 8476.2 <br />8550.4 _ <br />6840.2 <br />6843.5 _ _ <br />_ _ _ <br />_ _ <br />6840.3 <br />6843.5 _ 6840.2 <br />6843.5 0.0 <br />0.0 -0.0 <br />-0.0 <br />1015 <br />1015 __ _ <br />_848 <br />848 _ <br />_36615.3 <br />36615.3 _ <br />____8625.4 <br />8625.4 __ <br />_ 68_49.5 <br />6849.5 _ <br />_ <br />_ _ _ __ <br />_ __6849.7 <br />_6849.6 68_49.6 <br />6849.5 _0.1 <br />0.0 __0.0 <br />-0.0 <br />1014 922 36614.7 8699.0 6 <br />860.3 6860.3 6860.3 0.0 -0.0 <br />1013 998 36613.5 8775.7 _ <br />6868.2 _ 6868.2 6868.2 0.0 -0.0 <br />1012 .1021 36614.6 8798.2 6869.7 6869.8 6869.8 0.1 0.1 <br />1011 1123 36614.4 8900.8 6877.6 6877.6 6877.6 0.0 0.0 <br />010 <br />1 1224 36614.0 9001.1 6886.8 6886.8 6886.8 0.0 -0.0 <br />_ <br />_ <br />1009 1325 36614.5 9102.9 6902.7 6902.7 6902.7 0.0 0.0 <br />1008 1427 36614.0 9204.4 6914.4 6914.4 6914.4 0.0 0.0 <br />1007 1524 36614.1 9300.9 6923.3 6923.3 6923.3 0.0 0.0 <br />1006 1622 36614.1 9399.4 6924.9 6924.9 6924.9 0.0 0.0 <br />1005 1723 36613.6 9500.2 6927.3 6927.4 6927.3 0.0 -0.0 <br />1004 1822 36614.6 9599.3 6938.0 6938.0 6938.0 0.0 -0.0 <br />1003 1924 6960.6 9701.6 6952.8 6952.8 6952.8 0.0 -0.0 <br />1002 2021 36613.7 9798.4 6 60.6 6960.6 6960.6 0.0 -0.0 <br />1001 2121 36614.7 9898.9 6969.5 6969.5 .6969.5 0.0 0.0 <br />