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<br />SUBSIDENCE MONITORING DATA <br />Semi-annual Report, July -December 1992 <br />Cyprus Empire Coal Corporation, Eagle Mine No. 5 <br />B-Series Line (perpendicular) <br /> (1, 2) Surve Elevations ft <br /> Profile Pre-mining Previous <br />Monitoring Distance Elevation Report (2) Subsidence ft <br />Point ft Northin Eastin ft 06/17/92 09!29/92 This Period Total <br />B08 0 403796.9 1404913.4 6566.4 6566.2 0.0 6566.1 -0.1 -0.3 <br />607 50 403745.0 1404907.3 6570.9 6570.8 0.0 6570.7 -0.1 -0.2 <br />BO6 100 403692.4 1404900.9 6575.2 6575.0 0.0 6574.9 -0.0 -0.3 <br />BOS 150 403641.2 1404895.1 6578.5 6578.3 0.0 6578.3 -0.0 -0.2 <br />604 200 403590.0 1404889.1 6582.4 6582.1 0.0 6582.1 -0.0 -0.3 <br />B03 250 403542.6 1404863.6 6585.7 6585.5 0.0 6585.4 -0.0 -0.3 <br />602 300 403492.4 1404877.8 6589.2 6589.0 0.0 6568.9 -0.0 -0.3 <br />B01 350 403443.1 1404870.9 6593.0 6591.4 0.0 6591.4 -0.0 -1.7 <br />81 400 403395.4 1404866.3 6595.7 6590.7 0.0 6590.5 -0.2 -5.2 <br />B2 450 403346.4 1404860.5 6600.2 6593.5 0.0 6593.3 -0.2 -7.0 <br />B3 500 403296.3 1404654.7 6606.3 6599.5 0.0 6599.4 -0.2 -0.9 <br />B4 550 403247.0 1404848.6 6613.4 6606.8 0.0 6606.6 -0.2 -6.8 <br />BS 600 403197.6 1404842.3 6622.7 6616.0 0.0 6615.8 -0.2 -0.8 <br />B6 650 403148.0 1404836.4 6633.7 6626.7 0.0 6626.5 -0.2 -7.2 <br />67 700 403100.2 1404831.1 6645.5 6638.2 0.0 6638.0 -0.2 -7.5 <br />B8 750 403046.9 1404825.5 6659.3 6652.0 0.0 6651.8 -0.2 -7.5 <br />B9 800 403000.3 1404819.3 6674.1 6666.9 0.0 6666.7 -0.2 -7.4 <br />610 850 402950.8 1404814.1 6686.9 6681.8 0.0 6681.6 -0.2 -7.3 <br />611 900 402902.1 1404808.5 6703.3 6697.4 0.0 6697.1 -0.3 -0.2 <br />612 950 402849.1 1404803.0 6719.3 6716.2 0.0 6715.8 -0.4 -3.6 <br />613 1000 402804.1 1404797.0 6730.5 6728.9 0.0 6728.6 -0.3 -1.9 <br />814 1050 402759.7 1404789.8 6743.5 6742.6 0.0 6742.4 -0.2 -1.1 <br />615 1100 402709.5 1404783.6 6756.7 6756.1 0.0 6755.9 -0.2 -0.8 <br />616 1150 402663.4 1404778.5 6767.0 6766.5 0.0 6766.4 -0.1 -0.6 <br />617 1200 402614.4 1404774.4 6776.6 6776.2 0.0 6776.1 -0.1 -0.5 <br />618 1250 402564.3 1404769.2 6784.91 6784.5 0.0 6784.4 -0.1 -0.5 <br />NOl ES: <br />(1) All pre-mining elevations represent post F-seam mining surface elevations. <br />Points BOt - 608, baseline survey 0 910 9/1 9 9 0 <br />Points B1 - 618, baseline survey 0 711 2/1 9 9 0 <br />(2) Baseline elevations reduced by 0.15 ft to reflect new elevation for control point AMOS as of 09!30/1992. <br />31DEC92 <br />