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<br />SUBSIDENCE MONITORING DATA <br />Semi-annual Report: December, 1993 -June, 1994 <br />Twenty Mile Coal Company, Foidel Creek Mine <br />Monitoring Line 1000 <br /> <br />07/30/94 <br />DISTANCE <br />FROM PRE-MINING <br />SURVEY <br />OUARTERLV SURVEYS <br />SUBSIDENCE PREDICTED <br />SUBSIDENCE PREDICTED <br />SUBSIDENCE <br />PANEL <br />START <br />fn) MAP <br />POINT PROFILE <br />DISTANCE <br />(n) NORTHING <br /> <br />(n) FASTING <br /> <br />ln) ELEVATIO <br /> <br />Inl 1el Otr <br />03/24193 <br />(n) 2nd Otr <br />08123/93 <br />fn) 3rd Otr <br />09/30/93 <br />(n) 4lh Otr <br />12/27/93 <br />(n1 let Otr <br />03/14/94 <br />(n) 2nd Otr <br />08/08/94 <br />(n) LAST <br />PERIOD <br />(n) THIS <br />PERIOD <br />(n) <br />TOTAL <br />(n) AFTER 2LLW <br />MINED <br />1n) AFTER iLLW <br />MINED <br />(n) <br />1500 1004 1822 36814.6 9599.3 8938.0 8938.0 8838.0 8938.0 8932.8 8932.8 8932.9 -5.2 -5.2 -5.2 0 -5.8 <br />1803 1003 1824 38813.0 9701.8 8952.8 8952.8 9852.8 8852.8 8947.7 8947.9 9847.8 -5.1 -5.2 -5.2 0 -5.8 <br />1700 1002 2021 39813.7 9798.4 8980.8 8980.8 9980.9 8880.8 8855.8 BB55.5 8955.5 -5.0 -5.1 -5.1 0 -5.8 <br />1900 1001 2122 38914.7 9898.9 8889.5 9989.5 8989.5 8989.4 8984.5 8984.4 8884.3 -5.0 -5.2 -5.2 0 -5.8 <br />