REP26565

• Permit No: C1981044
• IBM Index Class Name: Report
• Doc Date: 8/26/1994
• From: CYPRUS EMPIRE CORP
• To: DMG
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

SUBSIDENCE MONITORING DATA
Semi-annual Report, Jan. -Jun., 1994
Cyprus Empire Coal Corporation, Eagle Mine No. 5
J-Series Line (Perpendicular)
4/1990* Survey Elevation (Ft.)
Profile Pre-Mining Previous Subsidence Subsidence
Monitoring Distance Elevation Report (2) This Total
Point (FT.) Northing Easting (Ft.) 09/13/93 05/1 0/94 Period
J1 100 402475.2 1408248.3 7142.2 7137.4 7136.9 -0.5 -4.8
J2 200 402573.8 1408258.5 7132.8 7126.8 7126.2 -0.6 -6.0
J3 300 402674.4 1408268.5 7119.5 7112.2 7111.5 -0.7 -7.3
J4 400 402771.5 1408279.4 7105.5 7097.3 7096.4 -0.9 -8.2
J5 500 402870.4 1408290.0 7089.5 7080.8 7079.7 -1.1 -8.7
J6 600 402970.1 1408300.1 7071.1 7063.2 7061.8 -1.4 -7.9
J7 700 403068.9 1408311.0 7054.2 7048.8 7046.4 -2.4 -5.4
JB 800 403168.8 1408321.9 7040.4 7037.3 7034.0 -3.3 -3.1
J9 900 403268.3 1408332.8 7026.6 7025.1 7020.9 -4.2 -1.5
J10 1000 403367.9 1408342.8 7012.9 7012.0 7007.0 -5.0 -0.9
J11 1100 403467.8 1408354.7 6999.5 6998.8 6992.9 -5.9 -0.7
J12 1200 403569.5 1408366.9 6987.3 6986.6 6979.1 -7.5 -0.7
J13 1300 403665.6 1408375.6 6971.4 6970.7 6961.6 -9.1 -0.7
J14 1400 403764.0 1408386.4 6953.5 6952.8 6943.6 -9.2 -0.7
J15 1500 403863.0 1408397.7 6940.6 6940.3 6932.1 -8.2 -0.3
J16 1600 403961.4 1408408.1 6930.6 6930.2 6923.6 -6.6 -0.4
J 17 1700 404061.0 1408419.1 6923.4 6922.8 6918.1 - 4.7 - 0.6
J 18 1800 404161.3 1408430.6 6921.0 6911.5 6908.7 - 2.8 -9.5
J19 1900 404261.4 1408442.0 6900.5 6900.2 6899.4 -0.8 -0.3
J20 2000 404361.1 1408453.1 6888.3 6888.0 6887.7 -0.3 -0.3
J21 2100 404460.9 1408464.0 6875.0 6874.7 6874.5 -0.2 -0.3
J22 2200 404559.8 1408474.9 6862.0 6861.7 6861.5 -0.2 -0.3
Notes:
* All pre-mining elevations represent post F-seam mining surface elevations.
(1) Points not surveyed this reporting period.
(2) There is an apparent survey error in the baseline survey for point J21
D:\123R34\J-SERIES.WK3