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• <br />• <br />The following table shows the relative change in each subsidence station, <br />from November, 1998 to June, 1999. <br />Station Bearing <br />Distance Elevation <br />PL-1 S 44. 01' W 0.21 -0.02 <br />PL-2 S 07. 33' W 0.10 -0.02 <br />PL-3 N 65. 00' E 0.08 -0.07 <br />PL-4 N 78. 32' E 0.09 -0.08 <br />PL-5 S 07. 32' E 0.10 -0.06 <br />PL-6 S 38' 20' E 0.12 -0.13 <br />PL-7 S 33. 28' E 0.09 -0.10 <br />Sta 6 S 32. 13' W 0.16 +0.06 <br />Sta 14 N 37. 01' E 0.02 -0.10 <br />Sta 15 S 30' S8' E 0.12 -0.12 <br />Sta 16 N 66. 01' E 0.11 -0.06 <br />The following shows relative change from July 1998 to July 1999, unless noted <br />DH 55 S 86. 37' W 0.85 +0.13 <br />DH 65 S 76. 43' W 0.34 -0.04 <br />DH 66 N 77. 57' W 0.41 +0.14 <br />DH 68 N 82. 20' E 1.50 -0.61 From November, 1997 <br />Sta 95 S 87. 06' W 0.72 +0.51 <br />Sta 99 S 53. 43' E 1.29 -0.03 From November, 1997 <br />Sta 81 S 20. 27' W 0.16 -0.14 <br />Sta 82 S 47. 30' W 0.14 -0.31 <br />Sta 83 S 30' 09' E 0.63 -0.38 From June, 1996 <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 call. <br />~~~~~~ <br />Stephen B. Cragg <br />Bowie-l-subWug-99 <br />. Page 22 <br />