Laserfiche WebLink
SUBSIDENCE MONITORING DATA <br />Semi-annual Report, July -December 1992 <br />Cyprus Empire Coal Corporation, Eagle Mine No. 5 <br />D-Series Line (centerline) <br /> (1, 2) Surve Elevations ft <br /> Profile Pre-mining Previous <br />Monitoring Distance Elevation Report (2) Subsidence ft <br />Point ft Northin Eastin ft 06/17!92 09/30/92 This Period Total <br />D7 0 403246.4 1405094.9 6656.4 6651.2 0.0 6651.1 -0.1 -7.3 <br />D2 50 403240.0 1405141.0 6668.4 6660.6 0.0 6660.5 -0.1 -7.9 <br />D3 100 403228.8 1405192.2 6679.3 6671.4 D.0 6671.3 -0.1 -8.0 <br />D4 150 403218.2 1405240.9 6691.5 6683.3 0.0 6683.2 -0.1 ~.2 <br />OS 200 403210.1 1405291.3 6702.8 6693.7 0.0 6693.6 -0.1 -9.2 <br />D6 250 403203.8 1405338.7 6719.0 6709.3 0.0 6709.2 -0.1 -9.8 <br />D7 300 403189.0 1405389.7 6737.7 6728.4 0.0 6728.3 -0.1 -9.3 <br />D8 350 403180.7 1405438.8 6751.4 6742.7 0.0 6742.6 -0.1 ~.8 <br />D9 400 403173.3 1405485.9 6762.4 6754.2 0.0 6754.1 -0.1 ~.4 <br />D10 450 403164.5 1405534.4 6773.7 6766.0 0.0 6765.9 -0.1 -7.9 <br />D11 500 403154.7 1405584.4 6785.4 6778.0 0.0 6777.9 -0.1 -7.5 <br />D12 550 403144.4 1405632.6 6798.0 6790.8 0.0 6790.7 -0.1 -7.2 <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 0 913 0/1 99 2. <br />31DEC92 <br />