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August 31, 2004 <br />Bowie No. 1 Mine Subsidence <br />Survey date August, 2004 <br />SUBSIDENCE MONITORING SURVEY TABULATION <br />STATION DH 68 <br />ROOF BOLT <br />SURVEY DATE NORTHING FASTING ELEVATION -DOWN+UP <br />Ute Engineering Survey Data <br />06-Or95 18501.75 1777.70 8193.47 <br />06-17-96 18501.77 1777.62 8192.62 -0.85 <br />11-10-97 18502.01 1777.77 8192.12 -0.50 <br />Cragg Surveying Survey Data ' <br />07-10-98 NOT TIED THIS SURVEY <br />06-21-99 18502.21 1779.26 8191.51 -0.61 <br />06-24-00 18501.81 1777.83 8192.56 +1.05 <br />11-19-01 18501.58 1778.17 8192.87 +0.31 <br />os-23-0z 18501.63 ma.1a s19z.77 -0.10 <br />Maximum 18502.21 1779.26 8193.47 +1.05 <br />Minimum 18501.58 1777.62 8191.51 -0.85 <br />Range 0.63 1.64 1.96 <br />Cragg Surveying <br />GPS Survey Data <br />11-19-01 18499.45 1780.02 8192.18 - <br />08-23-02 18499,47 1780.03 8191.97 -0.21 <br />06-19.03 18499.45 1T/9.94 8192.07 + 0.10 <br />OS-11-04 18499.43 1779.99 8192.12 + 0.05 <br />Average Value 18499.45 1779.99 8192.09 <br />I • <br />S1-17 <br />