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i 1 <br /> SUBSIDENCE SURVEY SUMMARY <br /> CHANGE IN MONITORING POINT ELEVATIONS (FEET) <br /> Monitoring Since Baseline Since AUG 83 <br /> Point Survey (1,2) Survey (1) <br /> MC-2 -1.13 -0. 10 <br /> MC-3 (3) (3) <br /> MC-4 -1. 58 -1. 38 <br /> MC-5 -1.73 -0. 46 <br /> MC-6 -0.48 -0 .27 <br /> MC-8 (4 ) (4 ) <br /> MC-9 (3) (3) <br /> NOTES • <br /> 1. Elevation chang s are given in 1/100 ' s of a foot for <br /> informational p rposes only. Actual surveying accuracy is <br /> about 0.03 ft. <br /> 2 . Baseline survey performed August 1981 <br /> 3. Monitoring point could not be surveyed because of snow cover <br /> 4. No subsidence detected <br /> -3- <br />