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TRBLE 1 <br />30UTHFIELD MINE <br />SEMI-ANNUAL SUBSIDENCE MONITORING DATA SUMMARY <br /><MAY, 1990 THROUGH OCTOBER, 1990) <br />SOUTH SUBSIDENCE GRID <br />Survey Dete: 10/90 <br />---------- <br />----------- -------------- <br />------------- <br />CHANGE FROM -------------------- <br />-------------------- <br />ORIGINAL SURVEY ----------------------------------- <br />----------------------------------- <br />CHANGE FROM PRECEEDING SURVEY <br /> Survey date: 3/83 Survey date: 8:90 <br />---------- -------------- -------------------- <br />HORI20NTAL ----------------------------------- <br />STATION ELEVATION DISTANCE ELEVATION <br />NO. <br />----------- CfT> <br />------------- [FT) <br />-------------------- [FT) <br />----------------------------------- <br />1 -0.68 0.20 -0.02 <br />2 -0.78 0.16 -0.02 <br />3 -1.05 0.28 -0.03 <br />4 -1.29 0.20 -0.01 <br />5 -0.74 O.OS -0.01 <br />6 -0.81 0.23 -0.01 <br />7 -0.68 0.21 -0.02 <br />8 -0.68 0.10 -0.01 <br />9 -0.67 0.21 -0.02 <br />10 -0.66 0.09 -0,01 <br />11 -0.73 0.23 -0.02 <br />12 -1.02 D.30 0.0D <br />13 -1.43 0.20 -O.G3 <br />14 -1.93 0.13 -0.01 <br />15 -2.29 0.24 -0.02 <br />16 -U.97 0.19 -0.01 <br />17 -0.32 0.08 -O.OS <br />18 -0.22 U.33 0.01 <br />15 -0.15 U.13 0.00 <br />2O -0.11 0.15 O.OI <br />21 -0.07 O.~•3 -0.01 <br />22 -0.06 0.21 -0.01 <br />23 -0.04 O.SY 0.04 <br />