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BOWIE RESOURCES -BOWIE NO. 1 MINE <br />SUBSIDENCE MONITORING DATA TR-39 <br />STATION: DH68 Roof Bolt <br />The Subsidence Monitoring Point DH68 is located 120 feet from recent mining. This point is within <br />the angle of draw of the Bowie No. 1 Mine workings and was most recently affected by workings <br />described as Entries in 1995, more than 6 years ago. <br />DATE NORTHING FASTING ELEVATION -DOWN/+UP <br /> <br />7/1/1982 18495.07 1794.42 8191.92 0.00 <br />1/11/1994 18501.47 1778.81 8191.53 -0.39 <br />10/11 /1994 18502.21 1779.26 8191.51 -0.02 <br />6/5/1995 18501.75 1777.70 8193.47 1.96 <br />6/17/1996 18501.77 1777.62 8192.62 -0.85 <br />11/10/1997 18502.01 1777.77 8192.12 -0.50 <br />6/21/1999 18502.21 1779.26 8191.51 -0.61 <br />6/24/2000 18501.81 1777.83 8192.56 1.05 <br /> <br />MAXIMUM 18502.21 1794.42 ~ 8193.47 1.96 <br />MINIMUM 18495.07 1777.62 8191.51 -0.85 <br />RANGE 7.14 16.80 1.96 <br />Page 13 <br />