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BOWIE RESOURCES -BOWIE NO. 1 MINE <br />SUBSIDENCE MONITORING DATA TR-39 <br />STATION: DH66 Roof Bolt <br />The Subsidence Monitoring Point DH66 is located 1,250 feet from recent mining. This point is not <br />within the angle of draw of the Bowie No. 1 Mine workings and was most recently approached by <br />workings described as Entries in 1997, more than 4 years ago. <br />DATE NORTHING FASTING ELEVATION -DOWN/+UP <br /> <br />1/11/1994 19733.76 1323.60 8189.50 -20.39 <br />10/11/1994 19734.91 1320.69 8189.57 0.07 <br />6/5/1995 19735.59 1320.51 8190.15 0.58 <br />6/17/1996 19735.63 1320.51 8190.32 0.17 <br />11/10/1997 19735.69 1320.70 8190.04 -0.28 <br />7/10/1998 19735.65 1321.31 8189.83 -0.21 <br />6/21/1999 19735.74 1320.91 8189.97 0.14 <br />6/24/2000 19735.69 1320.73 8190.04 0.07 <br /> <br />MAXIMUM 19735.74 1323.60 8190.32 0.58 <br />MINIMUM 19733.76 1320.51 8169.50 -20.39 <br />RANGE 1.98 3.09 0.82 <br />Page 12 <br />