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SUBSIDENCE MONITORING DATA <br />Semi-annual Report, July -December 1993 <br />Cyprus Empire Coal Corporation, Eagle Mine No. 5 <br />A-Series Line (perpendicular) <br /> ( 1, 2) Survey Elevations (ft) <br /> Profile Pre-mining Previous <br />Monitoring Distance Elevation Report (2) Subsidence (ft) <br />Point ft Northin Eastin ft 05/11/93 ~ 09/13/93 This Period Total 3 <br />At 404287.8 1404480.01 65 1.3 544. 0.01 6544.6 - .1 -6. <br />A2 50 403394.5 1404266.4 6555.1 6548.1 0.0 6548.0 -0.1 -7.1 <br />A3 100 403345.3 1404260.5 6559.2 6552.4 O.O 6552.3 -0.1 -6.9 <br />A4 150 403295.8 1404254.3 6564.0 6557.2 0.0 6557.1 -0.1 -6.9 <br />AS 2001 403245.8 1404249.1 6569.0 6562.0 0.0 6561.9 -0.1 -7.0 <br />A6 2501 403196.9 1404243.1 6573.7 6566.5 0.0 6566.4 -0.1 -7.2 <br />A7 300 403147.9 1404236.7 6578.5 I 6571.2 0.0 6571.1 -0.1 -7.4 <br />AS 350 403098.5 1404231.1 6582.31 I -7.4 <br />A9 400 403048.4 1404225.2 6587.9 6580.6 0.0 6580.5 -0.1 -7.5 <br />A10 450 402999.91 1404218.3 6592.01 6585.1 0.0 6585.0 -0.1 -7.0 <br />A11 500 402949.9 1404213.2 6596.2 6590.6 0.0 6590.5 -0.1 -5.6 <br />A12 550 402899.3 1404206.9 6600.31 6597.0 0.0 6596.9 -0.1 -3.4 <br />A13 600 402850.8 1404201.3 6605.3 6603.6 0.0 6603.5 -0.1 -1.8 <br />A14 650 402803.4 1404195.9 6610.4 6609.3 0.0 6609.2 -0.1 -1.1 <br />A15 700 402752.0 1404189.8 6617.3 6616.4 0.0 6616.3 -0.1 -1.0 <br />A16 750 402702.7 1404183.5 6626.9 6626.2 0.0 6626.1 -0.1 -0.8 <br /> 1 <br />A18 850 402604.41 1404172.3 6652.7 6652.2 0.0 6652. -0.1 0.5 <br />NOTES: <br />(1) All pre-mining elevations represent post F-seam mining surface elevations as of 04/16/1991. <br />(2) Baseline elevations reduced by 0.15 ft to reflect new elevation for control point AMOS as of 0913011992. <br />(3) Subsidence for point A8, which was destroyed, has been estimated. <br />3iDEC93 <br />