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<br />TABLE 1 <br />Southfield Mine <br />SEMI-ANNUAL SUBSIDENCE MONTTORING DATA SUMMARY <br />PERIOD: JULY 1 THROUGH DECEMBER 3l, 2000 <br />FLORENCE WATER LINE <br />Original Survey Dates: 05/85, 10/87, 01/95, 05/96 <br />Previous Survey Date: 08/00 <br />Lalest Survey Date: 12100 <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 Chan a Elevation Cha a Chan e <br />B 6,431.98 -0.02 0.78 6,431.95 0.03 0.15 <br />C 6,477.66 -0.47 1.30 6,477.65 0.01 0.16 <br />_ _ <br />D 6,553.81 -0.66 _ <br />0.28 6,553.73 0.08. 0.16 <br />E 6,631.82 -1.81 1.84 _6,631.74 0.08 __ 0.20 <br />F 6,296.78 -2.12 0.63 6,296.84 -0.06 0.06 <br />____ G _ _ <br />6,261.51 -3.04 0.71 _ 6,261.52 -0.01 0.10 <br />_ <br />H 6,239.04 -1.24 __ <br />0.32 6,239.19 -0.15 0.05 <br />I 6,206.18 -3.13 0.65 6,206.29 -0.11 0.09 <br />CV Joint 6,258.82 -2.77 0.23 6,258.91 -0.09 0.10 <br />THOMPSON RANCH STRUCTURES <br />Original Survey Date: 05/85 <br />Previous Survey Date: 08/00 <br />Latest Survey Dale: 12/00 <br />Change from Original Survey (feet) Change from Previous Survey (feet) <br /> Latest Survey Vertical Horizontal Previous Survey Vertical Horizontal <br />Structure Elevation Chan a Cha a Elevation Cha a Cha e <br />N. House 6,367.31 -0.04 0.34 6,367.43 -0.12 0.12 <br />S. House 6,371.94 0.00 0.37 6,371.99 -0.05 0.13 <br />Barn 6,383.36 -0.04 0.25 6,383.31 0.05 0.15 <br />NEWLIN CREEK POINT' <br />Original Survey Date: 05185, 12/96 <br />Previous Survey Date: 08/00 <br />Latest Survey Date: 12100 <br />Change from Original Survey (feet) <br />Latest Survey Vertical Horizontal <br />Elevation Change Change <br />Change from Previous Survey (feet) <br />Previous Survey Vertical Horizontal <br />72 0.03 <br />NOTE: N/A = No Dala <br />