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January 07, 2005 <br />Bowie No. 1 Mine Subsidence <br />Survey date December 24, 2004 <br />• <br />~~ <br /> <br />The following table shows the relative change in each subsidence station, <br />For the values based on the GPS Surveys. <br />From August 2004 to December 2004 <br />Station Bearing Distance Elevation <br />PL-1 S 16 42' W 0.06 - 0.02 <br />PL-2 N 81~ 41' E 0.09 - 0.07 <br />PL-3 S 11~ 19' W 0.06 - 0.02 <br />PL-4 S 68 12' E 0.04 + 0.04 <br />PL-5 N 77 10' E 0.08 - 0.04 <br />PL-6 S 61 42' W 0.02 + 0.02 <br />PL-7 N 12 32' E 0.02 - 0.04 <br />Sta 6 S 39 34' W 0.06 0.00 <br />Sta 14 N 87 24' E 0.02 0.00 <br />Sta 15 N 09 52' E 0.05 + 0.01 <br />Changes in the coordinate values from survey to survey may be due to: <br />- Actual changes due to subsidences activity. <br />- Random errors inherent to any field survey. <br />If you have any questilongs please call <br />S~-vPk~..~ L~ Cam' I l <br />Stephen B. Cragg <br />S2-13 <br />