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August 31, 2005 <br />Bowie No. 1 Mine Subsidence <br />Survey date August 30, 2005 <br />• SUBSIDENCE MONITORING SURVEY TABULATION <br />PITKIN MESA PIPELINE -STATION PL7t2 <br />ROOF BOLT <br />SURVEY DATE NORTHING FASTING ELEVATION -DOWN+UP <br />Ute Engineering Survey Data based on fixed Westmoreland Values <br />06-05-95 15747.12 10108.19 7378.05 - <br />10-10-95 15746.88 10107.99 7377.91 -0.14 <br />05-02-86 15746.88 10108.00 7378.05 +0.14 <br />06-17-96 15746.85 10108.02 7378.12 +0.07 <br />09-10-96 15746.92 10107.98 7377.98 -0.14 <br />06-12-97 15746.95 10108.00 7378.05 +0.07 <br />11-11-97 15746.95 10108.00 7378.10 +0.05 <br />Cragg Surveying Survey Data based on fixed Westmoreland Values <br />07-10-98 15746.99 10107.89 7378.07 -0.03 <br />11-23-98 15747.04 10107.86 7378.08 +0.01 <br />06-17-99 15746.93 10107.85 7378.06 -0.02 <br />09-29-99 15747.02 10107.87 7377.97 -0.09 <br />06-23-00 15747.03 10107.97 7378.10 +0.13 <br />12-04-00 15746.99 10107.89 7378.14 +0.04 <br />11-20-01 15747.05 10107.92 7378.32 +0.18 <br />OS-23-02 15747.12 10107.92 7378.37 +0.05 <br />Maximum 15747.12 10108.19 7378.37 +0.18 <br />• <br />Minimum 15746.85 10107.85 7377.91 -0.14 <br />Range 0.27 0.34 0.46 <br />Cragg Surveying <br />GPS Survey Data <br />11-20-01 15745.95 10109.97 7376.86 - <br />08-23-02 15745.98 10110.04 7376.89 + 0.03 <br />12-10-02 15745.98 10110.00 7376.82 -0.06 <br />06-20-03 15746.04 10110.01 7376.82 0.00 <br />12-24-03 15746.00 10109.97 7376.78 -0.04 <br />08-10-04 15745.99 10109.95 7376.81 + 0.03 <br />12-24-04 15746.00 10110.04 7376.74 -0.07 <br />f08-30-05 15745.95 10109.90 7376.82 + 0.08 <br />Average Value 15745.99 10109.99 7376.82 <br />. S1-4 <br />