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Bowie No. 1 Mine Subsidence <br />Survey date June, 2003 <br />When using this GPS survey there is a change in the values for Stations B, C and E <br />The following table shows the coordinate value for each subsidence station from the original <br />Westmoreland Survey Data to the Cragg Surveying GPS values of November 2001 to June 2003. <br />Coordinates for these monuments are as follows: <br /> Northing Easting Elevation <br /> Station B Westmoreland 16921.18 8754.49 8146.79 <br /> Cragg GPS Nov 2001 16919.97 8756.43 8145.33 <br /> Cragg GPS Aug 2002 16919.91 8756.49 8145.31 <br /> Cragg GPS Dec 2002 16919.98 8756.51 8145.29 <br /> June 2003 16919.90 8756.51 8145.26 <br /> Average GPS Value 16,919.94 8,756.49 8,145.30 <br /> Station C Westmoreland 17750.57 8741.52 8148.05 <br /> Cragg GPS Nov 2001 17749.05 8743.46 8147.36 <br /> Cragg GPS Aug 2002 17749.05 8743.51 8147.25 <br /> Cragg GPS Dec 2002 17749.09 8743.57 8147.29 <br /> June 2003 17748.97 8743.56 8147.34 <br /> Average GPS Value 17,749.04 8,743.53 8,147.31 <br />• Station E Westmoreland 18257.47 17859.89 8572.82 <br /> Cragg GPS Nov 2001 18256.67 17859.44 8573.23 <br /> Cragg GPS Aug 2002 18256.72 17859.47 8573.33 <br /> Cragg GPS Dec 2002 18256.67 17859.47 8573.21 <br /> June 2003 18256.68 17859.50 8573.23 <br /> Average GPS Value 18,256.68 17,859.47 8,573.25 <br /> A listing of the subsidence stations currently in the monitoring program, with coordinate values are <br /> shown here in the following tables. Note, survey data begins with the first survey by Ute Engineering <br /> in June of 1995. The tables list the coordinates of each station based on the fixed Westmoreland <br /> values for Stations B,C and E, through August, 2002, followed by the values of the stations based <br /> on the GPS surveys from November 2001 through June 2003. <br />• <br /> S1-2 <br />