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<br />EASTSIDE MINE
<br />Subsidence Monitoring
<br />Monument 1
<br /> Difference from Last Surve Difference from Ori final Surve
<br />Date Vertical Northin Eastin V N E V N E
<br />05-85 6,411.450 8,574.900 9,269.000
<br />09=85 6,411.440 8,574.900 9,269.020 -0.010 0.000 0.020 -0.010 0.000 0.020
<br />12-85 6,411.460 8,574.890 9,269.050 0.020 -0.010 0.030 0.010 -0.010 0.050
<br />05-86 6,411.425 8,574.890 9,269.091 -0.035 0.000 0.041 -0.025 -0.010 0.091
<br />02-87 6,411.435 8,574.892 9,268.993 0.010 0.002 -0.098 -0.015 -0.008 -0.007
<br />06-87 6,411.430 8,574.882 9,269.018 -0.005 -0.010 0.025 -0.020 -0.018 0.018
<br />11-87 6,411.429 8,574.884 9,269.017 -0.001 0.002 -0.001 -0.021 -0.016 0.017
<br />04-88 6,411.440 8,574.900 9,268.990 0.011 0.016 -0.027 -0.010 0.000 -0.010
<br />12-St3 6,411.400 8,574.939 9,269.078 -0.040 0.039 0.088 -0.050 0.039 0.078
<br />02-90 6,411.330 8,574.896 9,269.108 -0.070 -0.043 0.030 -0.120 -0.004 0.108
<br />08-90 6,411.151 8,574.941 9,269.120 -0.179 0.045 0.012 -0.299 0.041 0.120
<br />10-90 6,411.185 8,574.920 9,269.137 0.034 -0.021 0.017 -0.265 0.020 0.137
<br />02-91 6,411.190 8,574.902 9,269.054 0.005 -0.018 -0.083 -0.260 0.002 0.054
<br />06-91 6,411.163 8,574.924 9,269.119 -0.027 0.022 0.065 -0.287 0.024 0.119
<br />12-91 6,411.190 8,574.921 9,269.086 0.027 -0.003 -0.033 -0.260 0.021 0.0$6
<br />06-92 6,411.185 8,574.936 9,269.098 -0.005 0.015 0.012 -0.265 0.036 0.098
<br />12-92 6,411.205 8,574.924 9,269.127 0.020 -0.012 0.029 -0.245 0.024 0.127
<br />06-93 6,411.180 8,574.942 9,269.139 -0.025 0.018 0.012 -0.270 0.042 0.139
<br />09-93 6,411.070 8,574.935 9,269.108 -0.110 -0.007 -0.031 -0.380 0.035 0.108
<br />03-94 6,411.060 8,574.947 9,269.089 -0.010 0.012 -0.019 -0.390 0.047 0.089
<br />09-94 6,411.170 8,574.950 9,269.110 0.110 0.003 0.021 -0.280 0.050 0.110
<br />04-95 6,411.160 8,574.919 9,269.076 -0.010 -0.031 -0.034 -0.290 0.019 0.076
<br />09-95 6,411.170 8,574.924 9,269.127 0.010 0.005 0.051 -0.280 0.024 0.127
<br />Minimum Value -0.179 -0.043 -0.098 -0.390 -0.018 -0.010
<br />Maximum Value 0.110 0.045 0.088 0.010 0.050 0.139
<br />Avera a Value -0.013 0.001 0.006 -0.183 0.016 0.080
<br />Median Value -0.005 0.001 0.014 -0.260 0.020 0.090
<br />Standard Deviation 0.054 0.020 0.043 0.134 0.021 0.046
<br />Page 117 B Technical Revision 3/96
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