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TABLE 27-B 3rd North Subsidence Markers <br />East-West North of River <br /> Change Irom Baseline Survey Change from Last Survey Change last 12 Montha <br />POIN DATE NORTHING E4STING ELEVATION +/-NOnhin +/- Easlin /- Elevatio +/- Hoa Dist +/- Elevation +/- Horz Dist +/- Elev <br />52 Aug. 1994 3647.42 -92,521.34 7391.30 <br /> Dec. 1994 3646,88 -92,521.52 7391.11 0.54 0.18 0.19 0.57 ~ 0.19 <br /> March, 1995 7391.24 <br /> June. 1995 7391.27 <br /> Sept. 1995 7391.25 <br /> Dec. 1995 7391.24 <br /> Mar., 1996 3647.09 -92,521.52 7391.27 0.33 0.18 0.03 <br /> June, 1996 3847.07 -92,521.55 7391.25 0.35 0.21 0.05 0.04 0.02 <br /> Sept.. 1996 3847.08 -92,521.54 7391.27 0.34 0.20 0.03 0.02 -0.02 <br /> Dec., 1996 3847.07 -92,521.54 7391.28 0.35 0.20 0.03 0.01 0.00 <br /> Mar., 1997 3847.06 -92,521.56 7391.26 0.34 0.24 0.02 0.04 0.00 <br /> Aug. 1997 3847.07 -92,521.57 7391.25 0.35 O.Z3 0.05 0.01 0.03 <br /> Sept. 1997 3847.09 -92,521.56 7391.24 0.33 0.24 0.06 0.02 0.01 0.04 0.03 <br />53 Aug. 1994 3¢26.66 -92,478.06 7394.56 <br /> Dec. 1994 3626.37 -92,478.23 7394.40 0.49 0.15 0.16 0.51 0.16 <br /> March, 1995 7394.53 <br /> June, 1995 7394.57 <br /> Sept. 1995 7394.54 <br /> Dec. 1995 7394.54 <br /> Mar., 1996 3626.57 -92,476.19 7394.57 0.29 0.11 -0,01 <br /> June, 1996 3826.54 -92,478.24 7394.54 0.32 0.16 0,02 0.05 0.03 <br /> Sept., 1996 3826.53 -92,478.23 7394.56 0.33 0.15 0.01 0.02 -0.02 <br /> Dec., 1996 3826.54 -92,478.23 7394.56 0.32 0.15 0.00 0.02 -0.01 <br /> Mar., 1997 3826.56 -92,478.24 7394.58 0.28 0.15 -0.02 0.04 -0.02 <br /> Aug. 1997 3¢26.57 -92,478.25 7394.54 0.29 0.17 0.02 0.02 0.04 <br /> Sept. 1997 3826.59 -92,478.26 7394.54 0.27 0.18 0.02 0.02 0.00 0.07 0.02 <br />54 Aug. 1994 3804.56 -92,431.37 7399.68 <br /> Dec. 1994 3804.10 -92,431.42 7399.53 0.47 0.05 0,15 0.47 0.15 <br /> March, 1995 7399.71 <br /> June. 1995 7399.75 <br /> Sept. 1995 7399.71 <br /> Dec. 1995 7399.72 <br /> Mar.. 1996 3604.44 -92 431.22 7399.74 O.1Z -0.15 -0.05 - <br /> June, 1996 3804.40 -92,431.27 7399.71 0.16 -0.10 -0.03 0.07 0.02 <br /> Sept., 1996 3804.47 -92,a31.2a 7399.73 0.15 -0.13 -0.05 0.03 -0.02 <br /> Dec., 1996 3804.39 -92,431.26 7399.73 0.17 -0.11 -0.05 0.03 0.00 <br /> Mar., 1997 3804.41 -92,431.26 7399.73 0.15 -0.11 -0.05 0.02 0.00 <br /> Aug. 1997 3804.42 -92,431.26 7399.73 0.14 -0.09 -0.OS 0.02 0.00 <br /> Sept. 1997 3804.44 -92,431.28 7399.71 0.12 -0.09 -0.03 0.02 0.02 0.06 0.02 <br />55 Aug. 1994 3759.99 -92.351.99 7401.47 <br /> Dec. 1994 3759.38 -92.352.05 7401.25 0.61 O.Ofi 0.22 0.61 0.22 <br /> March, 1995 7401.41 <br /> June, 1995 740144 <br /> Sept. 1995 7401.41 <br /> Dec. 1995 7401.42 <br /> Mar.. 1996 3759.59 -92,352.06 7401.43 040 0.06 0.04 <br /> June. 1996 3759.57 -92,352.11 7401.41 0.42 0.11 0.06 0.05 0.02 <br /> Sept., 1996 3759 68 -92.352.10 7401.47 0.31 0.1 t 0.07 0.11 0.01 <br /> Dec.. 1996 3759.61 -92,352.13 7401.41 0.36 0.14 0.07 0.08 0.00 <br /> Mar., 1997 3759.68 -92,352.10 7401.41 0.31 0.11 0.06 0.06 -0.01 <br /> Aug. 1997 3759.67 -92,352.12 7401.41 0.32 0.13 0.06 0.02 0.00 <br /> Sept. 1997 3759.69 -92,352.11 7401.40 0.30 0.12 0.07 0.02 0.01 0.02 0.01 <br />56 Aug. 1994 3733.37 -92,306.91 7423.7fi <br /> Dec. 199a 3732.87 -92.307.32 7423.62 0.50 0.40 0.74 0.64 0.74 <br /> March, 1995 7423.76 <br /> June, 1995 7423.76 <br /> Sept. 1995 7423.76 <br /> Dec. 1995 7423.76 <br /> Mar., 1996 3732.97 -92.307.05 7x23.76 0.40 0.14 0.00 <br /> June, 1996 3732.96 -92.307.06 7423.76 0.41 0.15 0.00 0.01 0.00 <br /> Sept.. 1996 3732.97 -92.307.09 7423.76 0.40 0.18 0.00 0.03 0.00 <br /> Dec.. 1996 3732.96 -92,307.07 7423.76 0.41 0.15 0.00 0.02 0.00 <br /> Mar., 1997 3732.96 -92,307.10 7423.763 0.41 0.19 0.00 0.03 0.00 <br /> Aug. 1997 3732,96 -92,307.07 7423.7fi 0.41 0.1fi 0.00 0.03 0.00 <br /> Sept. 1997 3732,96 -92.307.08 7423.75 0.39 0.17 0.01 0.02 0.01 0.02 0.01 <br />• <br />• <br />• <br />F~rhi6it 24 Page 21 Revisetl 8/27/98 <br />