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TABLE I <br />Southfield Mine <br />SEMI-ANNUAL SUBSIDENCE MONITORING DATA SUMMARY <br />PERIOD: JANUARY 1 THROUGH JUNE 30, 2002 <br />FLORENCE WATER LINE <br />Original Survey Dates: 05/85, 10/8 7, 01/95, 05/96 <br />Previous Survey Date: 08/02 <br />Latest Survey Date: 10/02 <br />Change from Original Survey (feet) Change from Previous Survey (feet) <br />Monument Latest Survey Vertical Horizontal Previous Survey Vertical Horizontal <br />No. Elevation Cha a Cha a Elevation Cha a Ch e <br />B 6,431.95 -0.05 0.83 6,431.93 0.02 0.02 <br />C 6,477.54 _ -0.59 <br />_ 1.29 6,477.63 -0.09 0.01 <br />_ <br />D 6,553.67 -0.80 0.31 _ <br />6,553.74 _ <br />-0.07 0.01 <br />_ E 6,631.63 <br />~ -2.00 _ 1.86 _ 6,631.66 <br />_ -0.03 <br />~ 0.02 <br />F <br />6,296.69 -2.21 0.68 _ <br />6,296.72 -0.03 0.03 <br />G 6,261.38 <br />" -3.17 0.77 6,261.44 -0.06 0.03 <br />6,238.96------ <br />-----H-~--- __ <br />---1.32 ~ 0.36 _ <br />6,239.01 -0.05 ~ 0.01 <br />I __6,206.10 <br />----- -3.21 <br />- 0.65 __ 6,206.07 _ 0.03 fl.02 <br />CV Joint 6,258.70 -2.89 0.23 6,258.76 -0.06 0.01 <br />THOMPSON RANCH STRUCTURES <br />Original Survey Date: 05!85 <br />Previous Survey Date:08/02 <br />Latest Survey Date: 10!02 <br />Change from Original Survey (feet) Change from Previous Survey (feet) <br /> Latest Survey Vertical Horizontal Previous Survey Vertical Horizontal <br />Structure Elevation Cha a Cha a Elevation Chan a Cha e <br />N. House 6,367.01 -0.34 6.05 6,367.26 -0.25 5.67 <br />S. House 6,371.16 -0.78 15.21 6,371.89 -0.73 15.05 <br />Bam 6,383.16 -0.24 1.73 6,383.32 -0.16 1.80 <br />NEWLIN CREEK POINT <br />Original Survey Date: 05!85, 12!96 <br />Previous Survey Date: 08!02 <br />Latest Survey Date: 10/02 <br />Change from Original Survey (feet) <br />Latest Survey Vertical Horizontal <br />Change from Previous Survey (feet) <br />Previous Survey Vertical Horizontal <br />~ Point 6,221.63 -0.35 0.08 6,221.69 -0.06 0.02 ~ <br />NOTE: NIA = No Data <br />