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,~ <br />SUBSIDENCE MONITORING DATA <br />Semi-annual Report, January -June 1992 <br />Cyprus Empire Coal Corporation, Eagle Mine No. 5 <br />D-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 1123/91 0324/92 06/17/92 This Period Total <br />D1 0 403248.4 1405094.9 6658.5 6658.5 6658.2 6651.3 -7.2 -7.2 <br />D2 50 403240.0 1405141.0 6668.5 6688.5 8667.5 6660.7 -7.8 -7.8 <br />D3 100 403228.8 1405192.2 6679.5 6679.5 6677.6 6671.6 -7.9 -7.9 <br />D4 150 403218.2 1405240.9 6691.6 6691.6 6687.8 6683.5 -8.1 <br />DS 200 403210.1 1405291.3 6703.0 6702.8 6696.5 6693.9 -8.9 -9.1 <br />D6 250 403203.8 1405338.7 6719.2 6719.0 6711.0 6709.5 -9.5 -9.7 <br />D7 300 403189.0 1405389.7 6737.8 6737.6 6729.5 6728.5 -9.1 -9.3 <br />D8 350 403180.7 1405438.8 6751.5 6751.6 6743.5 6742.8 -8.7 -8.7 <br />D9 400 403173.3 1405485.9 6762.6 6762.6 6754.8 6754.3 -8.3 -8.3 <br />D10 450 403164.5 1405534.4 6773.9 6773.6 6766.6 6766.1 -7.5 -7.8 <br />D11 500 403154.7 1405584.4 6785.6 6785.1 6778.6 8778.2 -6.9 -7.4 <br />D12 550 403144.4 1405632.6 6798.1 6797.1 6791.4 6791.0 ~.2 -7.1 <br />" All pre-mining elevations represent post-F-seam mining surTace elevations <br />8.( <br />04DEC92 <br />