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SUBSIDENCE MONITORING DATA <br />Semi-annual Report, January -June 1992 <br />Cyprus Empire Coal Corporation, Eagle Mine No. 5 <br />S-Series Line (perpendicular) <br /> 03/1988' Surve Elevations ft <br /> Profile Pre-mining Previous <br />Monitoring Distance Elevation Survey Subsidence ft <br />Point ft Northin Eastin ft 0727/91 03/10/92 06/18/92 This Period Total <br />S1 0 402299.8 1408229.6 7160.8 7153.9 7153.7 7153.8 -0.1 -7.0 <br />S2 100 402200.1 1408218.5 7175.3 7166.5 7166.3 7166.4 -0.1 -9.0 <br />S3 200 402100.8 1408208.0 7186.0 7176.2 7176.0 7176.1 -0.1 -10.0 <br />S4 300 402001.5 1408196.9 7195.6 7186.1 7186.0 7186.1 -0.1 -9.6 <br />SS 400 401901.8 1408186.3 7203.4 7194.0 7193.8 7193.8 -0.1 -9.5 <br />S6 500 401802.9 1408175.9 7210.2 7202.0 7201.8 7201.8 -0.2 -8.3 <br />S7 600 401703.9 1408165.1 7216.5 7211.8 7211.7 (1) -0.2 -4.9 <br />S8 700 401605.3 1408154.6 7226.5 7223.7 (1) (1) (1) (1) <br />S9 800 401506.2 1408144.2 7238.2 7236.2 (1) (1) (1) (1) <br />S10 900 401406.8 1408134.0 7251.3 7249.9 (1) (1) (1) (i) <br />S11 1000 401307.2 1408123.5 7263.4 7262.6 (1) (1) (1) (1) <br />S12 1100 401207.1 1408113.6 7274.6 7273.9 (1) (1) (1) (1) <br />S13 1150 401157.2 1408108.1 7279.4 7278.8 (1) (1) (1) (1) <br />S14 1210 401097.7 1408101.7 7284.9 7284.4 (1) (1) (1) (1) <br />S15 1240 401067.4 1408098.3 7286.9 7286.4 (1) (1) (1) (1) <br />S16 1340 400967.9 1408087.5 7292.4 7292.0 (1) (1) (1) (1) <br />S17 1440 400868.8 1408076.8 7294.5 7294.3 1 1 1 1 <br />'All pre-mining elevations represent post-F-seam mining surtace elevations <br />(1) Points not surveyed this quarter. <br />04DEC92 <br />