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Bowie No. 1 Mine Subsidence <br /> <br />The following table shows the relative change in each subsidence station, <br />For the values based on the GPS Survey. <br />From November 2(101 GPS Survey to the August 2002 GPS Survey. <br />Station Bearing Distance Elevation <br />Sta B g 4fi 58' E 0.08 -0.02 <br />Sta C g 87 34' E 0.05 -0.10 <br />Sta E N 45 00' E 0.06 +0.10 <br />PL-1 N 00 00' E 0.00 -0.02 <br />PL-2 N 65 29' E 0.07 +0.03 <br />PL-3 S 69 33' E 0.06 0.00 <br />PL1l S 59 19' W 0.07 0.00 <br />PL-5 S 62 28' W 0.08 +0.01 <br />PL-0 N 51 ~ 50' E 0.02 -0.01 <br />PL-7 N 49 11' E 0.03 +0.10 <br />Sta 6 N 73 18' W 0.03 0.00 <br />Sta 14 N 70 26' W 0.10 -0.04 <br />Sta 15 S 78 41' E 0.02 +0.02 <br />Sta 16 N 87 23' E 0.02 +0.05 <br />DH-55 N 63 26' E 0.08 -0.12 <br />DH-65 S 15 15' E 0.16 -0.08 <br />DH-06 N 62 51' E 0.04 -0.01 <br />DH-08 N 30 28' E 0.02 -0.21 <br />STA-95 S 67 42' E 0.04 -0.03 <br />STA-99. N 60 41' E 0.06 -0.10 <br />STA-81 N 73 32' E 0.19 -0.01 <br />STA~2 N 61~ 42' E 0.12 -0.01 <br />STA-83 h- 55 54' E 0.12 -0.07 <br />Changes in the coordinate values from survey to survey may be due to: <br />-Actual changes due to subsidence activity. <br />- Random errors inherent to any field survey. <br />If you have any questions please pll <br />~~~~~ ~~ <br />Stephen B. Cragg <br />25 <br />