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SUBSIDENCE MONITORING DATA <br />Semi-annual Report, June -December 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 Eastina (ft) 04/16/91 01/27/91 11/23/91 This Period Total <br />C1 0 402859.8 1405015.8 6752.3 6752.3 6752.3 6752.3 -0.0 0.0 <br />C2 50 402849.3 1405064.7 6758.8 6758.8 6758.8 6758.8 -0.0 -0.0 <br />C3 100 402837.4 1405112.5 6770.9 6770.9 6770.9 6770.9 -0.0 -0.0 <br />C4 150 402827.3 1405163.4 6784.0 6784.0 6784.0 6784.0 -0.0 -0.0 <br />CS 200 402820.5 1405210.4 6790.9 6790.9 6790.9 6790.7 -0.2 -0.2 <br />C6 250 402810.7 1405261.5 6800.5 6800.5 6800.5 6800.5 -0.0 -0.0 <br />C7 300 402801.6 1405310.1 6813.7 6813.7 6813.6 6813.4 -0.4 -0.3 <br />C8 350 402792.4 1405358.9 6825.9 6825.9 6825.9 6825.1 -0.9 -0.9 <br />C9 400 402780.9 1405407.9 6834.5 6834.5 6834.4 6834.1 -0.5 -0.5 <br />C10 450 402769.6 1405458.2 6845.4 6845.4 6845.4 6845.4 -0.0 -0.0 <br />C11 500 402760.5 1405506.4 6855.1 6855.1 6855.1 6854.9 -0.2 -0.2 <br />C12 550 402751.0 1405555.1 6863.7 6863.7 6863.7 6663.3 -0.4 -0.4 <br />C13 600 402743.3 1405604.5 6870.3 6870.3 6870.3 6669.6 -0.7 -0.7 <br />All pre-mining elevations represent pOSt-F-Sedm mining surtace elevations <br />