REP18068

• Permit No: C1981044
• IBM Index Class Name: Report
• Doc Name: SUBSIDENCE MONITORING REPORT JULY-DEC 1994 CYPRUS EMPIRE CORP
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

SUBSIDENCE MONITORING DATA
Semi-annual Report, July -December, 1994
Cyprus Empire Coal Corporation, Eagle Mine No. 5
J-Series Line (Perpendicular)
(1) Survey Elevation (Ft.)
Profile Pre-Mining Previous Subsidence Subsidence
Monitoring Distance Elevation Report (2) (2) This Total
Point (FT.) Northing Easting (Ft.) 05/10/94 11!28!94 Period
J1 100 402475.2 1408248.3 7142.2 7136.9 7136.8 -0.1 -5.4
J2 200 402573.8 1408258.5 7132.8 7126.2 7126.1 -0.1 -6.7
J3 300 402674.4 1408268.5 7119.5 7111.5 7111.3 -0.2 -8.2
J4 400 402771.5 1408279.4 7105.5 7096.4 7096.4 0.0 -9.1
J5 500 402870.4 1408290.0 7089.5 7079.7 7079.7 0.0 -9.8
J6 600 402970.1 1408300.1 7071.1 7061.8 7061.6 -0.2 -9.5
J7 700 403068.9 1408311.0 7054.2 7046.4 7046.4 0.0 -7.8
J8 800 403168.8 1408321.9 7040.4 7034.0 7033.9 -0.1 -6.5
J9 900 403268.3 1408332.8 7026.6 7020.9 7020.8 -0.1 -5.8
J10 1000 403367.9 1408342.8 7012.9 7007.0 7007.0 0.0 -5.9
J 11 1100 403467.8 1408354.7 6999.5 6992.9 6992.8 -0.1 -6.7
J12 1200 403569.5 1408366.9 6987.3 6979.1 6979.1 0.0 -8.2
J13 1300 403665.6 1408375.6 6971.4 6961.6 6961.5 -0.1 -9.9
J 14 1400 403764.0 1408386.4 6953.5 6943.6 6943.6 0.0 -9.9
J15 1500 403863.0 1408397.7 6940.6 6932.1 6932.1 0.0 -8.5
J16 1600 403961.4 1408408.1 6930.6 6923.6 6923.7 0.1 -6.9
J17 1700 404061.0 1408419.1 6923.4 6918.1 6918.1 0.0 -5.3
J18 1800 404161.3 1408430.6 6921.0 6908.7 6908.7 0.0 -12.3
J19 1900 404261.4 1408442.0 6900.5 6899.4 6899.4 0.0 -1.1
J20 2000 404361.1 1408453.1 6888.3 6887.7 6887.8 0.1 -0.5
J21 2100 404460.9 1408464.0 6875.0 6874.5 6874.6 0.1 -0.4
J22 2200 404559.8 1408474.9 6862.0 6861.5 6861.6 0.1 -0.4
Notes:
All pre-mining elevations represent post F-seam mining surface elevations.
(1) There is an apparent survey error in the baseline survey for point J18.
(2) Values adjusted by 0.3 ft. for GPS surveying method.