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SUBSIDENCE MONITORING DATA <br />Semi-annual Report, January -June 1991 <br />Cyprus Empire Coal Corporation, Eagle Mine No. 5 <br />C-Series Line (centerline) <br /> 07/12/1990* Surve Elevations (ft) <br /> Profile Pre-mining Previous <br />Monitoring Distance Elevation Report Subsidence (ft) <br />Point (ft) Northin Eastin (ft) N/A 04/16/1991 This Period Total <br />C1 0 402859.8 1405015.8 6752.3 N/A 6152.3 0.0 0.0 <br />C2 50 402649.3 1405064.7 6758.8 N/A 6758.8 -0.0 -0.0 <br />C3 100 402837.4 1405112.5 6770.9 N/A 6770.9 0.0 0.0 <br />C4 150 402827.3 1405163.4 6784.0 N/A 6784.0 0.0 0.0 <br />C5 200 402820.5 1405210.4 b790.9 N/A 6790.9 0.0 0.0 <br />C6 250 402810.7 1405261.5 6800.5 N/A 6800.5 -0.0 -0.0 <br />C7 300 402801.6 1405310.1 6813.7 N/A 6813.7 0.0 0.0 <br />C8 350 402792.4 1405358.9 6825.9 N/A 6825.9 -0.0 -0.0 <br />C9 400 402780.9 1405407.9 6834.5 N/A 6834.5 0.0 0.0 <br />C10 450 402769.6 1405458.2 6845.4 N/A 6845.4 0.0 0.0 <br />C11 500 402760.5 1405506.4 6855.1 N/A 6855.1 0.0 0.0 <br />C12 550 402751.0 1405555.1 6863.7 N/A 6863.7 -0.0 -0.0 <br />Cl3 600 402743.3 1405604.5 6870.3 N/A 6870.3 0.0 0.0 <br />• All pre-mi Wing elevations represent post-F-seam mining surface elevations <br />