Laserfiche WebLink
SUBSIDENCE MONITORING DATA <br />Semi-annual Report, January -June 1993 <br />Cyprus Empire Coal Corporation, Eagle Mine No. 5 <br />D-Series Line (centerline) <br /> ( 1, ) Survey leva5ons (ft) <br /> Profile Pre-mining Previous <br />Monitoring Distance Elevation Report (2) Subsidence (ft) <br />Point ft Northin Eastin ft 09/30/92 05/11/93 This Period Total <br />D1 0 403248.4 1405094.9 66 8.4 6651.1 0.0 66 .1 - .2 <br />D2 50 403240.0 1405141.0 6688.4 6660.5 0.0 6660.6 0.1 -7.8 <br />D3 100 403228.8 1405192.2 6679.3 6671.3 0.0 6671.4 0.1 -7.9 <br />D4 150 403218.2 1405240.9 6691.5 6683.2 0.0 6683.4 0.1 -8.1 <br />D5 200 403210.1 1405291.3 6702.8 6693.6 0.0 6693.7 0.1 -9.1 <br />D6 250 403203.8 1405338.7 6719.0 6709.2 0.0 6709.3 0.1 -9.7 <br />D7 300 403189.0 1405389.7 6737.7 6728.3 0.0 6728.4 0.1 -9.2 <br />DS 350 403180.7 1405438.8 6751.4 6742.6 0.0 6742.7 0.1 -8.7 <br />D9 400 403173.3 1405485.9 6762.4 6754.1 0.0 6754.3 0.2 -8.2 <br />010 450 403164.5 1405534.4 6773.7 6765.9 0.0 6766.0 0.1 -7.8 <br />011 500 403154.7 1405584.4 6785.4 6777.9 0.0 6778.1 0.2 -7.3 <br />012 550 403144.4 1405632.6 6798.0 6790.7 0.0 6790.9 0.1 -7.1 <br />NOTES: <br />(1) All pre-mining elevations represent post F-seam mining surface elevations as of 07/12/1990. <br />(2) Baseline elevations reduced by 0.15 ft to reflect new elevation for control point AMOS as of 09/30/1992. <br />30JUN93 <br />