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r <br />SUBSIDENCE MONITORING DATA <br />Semi-annual Report, January -June 1992 <br />Cyprus Empire Coal Corporation, Eagle Mine No. 5 <br />A-Series Line (perpendicular) <br /> 04!1611991' Surve E levations ft <br /> Profile Pre-mining Previous <br />Monftoring Distance Elevation Report Subsidence ft <br />Point ft Northin Eastin ft 1123/91 03/24/91 06117/91 This Period Total <br />Al 0 404287.8 1404480.0 6551.3 6551.4 6551.4 6551.2 -0.2 -0.1 <br />A2 50 403394.5 1404266.4 6555.1 6555.1 6555.1 6554.9 -0.2 -0.2 <br />A3 100 403345.3 1404260.5 6559,3 6559.3 6559.3 6559.1 -0.2 -0.3 <br />A4 150 403295.8 1404254.3 6564.2 6564.2 6584.2 6564.0 -0.2 -0.2 <br />AS 200 403245.8 1404249.1 6569.1 6569.1 6569.1 6568.9 -0.3 -0.2 <br />A6 250 403196.9 1404243.1 6573,8 6573.8 6573.7 6573.5 -0.2 -0.3 <br />A7 300 403147.9 1404236.7 6578.7 6578.7 6578.6 6578.4 -0.3 -0.3 <br />A8 350 403098.5 1404231.1 6582.4 - - <br />A9 400 403048.4 1404225.2 6588.1 6588.0 6588.0 6587.7 -0.3 -0.3 <br />A10 450 402999.9 1404218.3 6592,1 6592.1 6592.1 6591.8 -0.3 -0.3 <br />A11 500 402949.9 1404213.2 6596.3 6596.3 6598.3 6596.0 -0.2 -0.3 <br />A12 550 402899.3 1404206.9 6600.5 8800.4 6600.4 6600.2 -0.2 -0.3 <br />A13 600 402850.8 1404201.3 6605,4 6605.4 6605.4 6605.2 -0.2 -0.2 <br />A14 650 402803.4 1404195.9 6610.5 6610.5 6610.5 6610.3 -0.3 -0.2 <br />A15 700 402752.0 1404189.8 6617.5 6617.4 6617.4 6617.2 -0.3 -0.3 <br />A16 750 402702.7 1404183.5 6627.0 6627.0 6627.0 6626.8 -0.2 -0.2 <br />A17 800 402654.2 1404178.6 6639.8 6639.7 6639.7 6639.5 -0.2 -0.3 <br />A18 850 402604.4 1404172.3 6652.8 6652.8 6652.8 6652.6 -0.2 -0.2 <br />' All pre-mining elevations represent post-F-seam mining surface elevatans <br />04DEC92 <br />