REP36561

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 1993 December to June1994 Subsidence Monitoring Report
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

SUBSIDENCE MONITORING DATA
Semi-annual Report: December, 1993 -June, 1994
Twenty Mile Coal Company, Foidel Creek Mine
Monitoring Line 3000
r1
~~
07/30194
DISTANCE
FROM PRE-MINING
SURVEY
QUARTERLY SURVEYS
SUBSIDENCE PREDICTED
SUBSIDENCE PREDICTED
6UBSIDENCE
PANEL
START
(R) MAP
POINT PROFILE
DISTANCE
(h) NORTHING

IR) FASTING

(R) ELEVATION

(R) 141 Otr
03/24/83
lR) 2nd Otr
0&23/93
(R) 3rd Otr
08/30/83
(h) 4Ih Otr
12127/83
(R) 1st Otr
03/14/94
IR) 2nd Otr
08/06194
(h) LAST
PERIOD
(R) THIS
PERIOD
(R)
TOTAL
lRI AFTER 2LLW
MINED
IR) AFTER 1LLW
MINED
IR)
-549 3023 37531.2 6521.3 8781.0 6781.0 6781.0 8781.0 6781.0 8781.0 8781.0 0.0 -0.0 -0.0 -0.O -0.0
-501 3022 48 37529.8 6569.5 8781.2 6781.3 8781.2 6781.2 6781.2 6781.2 8781.2 -0.0 -0.0 -0.0 -0.0 -0.0
-454 3021 85 37527.1 8818.7 8778.3 6778.3 8778.3 8778.3 8778.3 8778.3 8778.3 -0.0 -0.0 -0.0 -0.1 -0.1
-400 3020 148 37530.1 8670.5 6787.4 8787.4 8787.4 8787.4 8787.4 8787.3 8767.3 -0.0 -0.1 -0.1 -0.1 -0.1
-352 3018 187 37530.8 8719.3 6802.7 8802.8 8802.7 8802.7 8802.7 8802.8 8802.6 -0.1 -0.1 -0.1 -0.1 -0.1
-301 3018 248 37530.6 8789.8 8610.8 6810.8 6810.8 8810.7 6810.7 8910.7 8810.7 -0.1 -0.1 -0.1 -0.1 -0.1
-248 3017 300 37530.8 8821.3 8618.8 8818.8 6818.8 8816.8 6818.8 8816.8 8818.8 -0.1 -0.2 -0.2 -0.1 -0.2
-201 3018 349 37530.8 8889 6 8825.2 8825.1 8825.1 8825.1 6825.0 6824.8 8625.0 -0.2 -0.2 -0.2 -0.2 -0.2
-150 3015 398 37530.7 8920.4 8831.9 8831.8 8831.8 8631.8 8831.6 8831.8 8831.6 -0.3 -0.3 -0.3 -0.3 -0.4
-101 3014 448 37531.0 8989.8 8837.0 8836.8 8838.6 8838.8 8836.7 8838.7 6838.8 -0.3 -0.4 -0.4 -0.4 -0.5
-52 3013 497 37531.1 8019.4 8839.5 8838.3 8838.2 6838.2 8839.1 8838.0 6839.0 -0.5 -0.5 -0.5 -0.8 -0.7
0 3012 648 37530.6 9070.4 6844.7 8844.2 8844.2 6844.2 6844.0 8843.9 8843.9 -0.7 -0.8 -0.8 -0.7 -0.9
24 3011 674 37530.5 9094.8 8647.1 6848.6 6846.6 8846.6 8848.3 8646.2 6848.2 -0.9 -0.9 -0.9 -0.9 -1.1
B9 3010 846 37530.1 9169.6 8650.1 8819.0 8849.0 6646.9 6848.7 8848.8 6648.8 -1.4 -1.5 -1.6 -1.3 -1.6
174 3008 723 37530.7 9244.7 8853.5 8651.8 6861.7 8651.7 6851.4 8851.3 8651.3 -2.1 -2.2 -2.2 -2.0 -2.4
250 3008 798 37630.8 9320.0 6866.6 6664.3 6854.2 6864.2 6653.9 8663.8 6853.7 -2.8 -2.9 -2.9 -2.6 -3.0
322 3007 871 37530.7 8382.7 6888.1 8883.4 BB83.3 BB83.3 6682.8 6862.8 8882.6 -3.2 -3.3 -3.3 -2.8 ,7.4
397 3008 840 37531.2 8467.8 8877.3 8874.4 6874.3 8874.3 8873.8 8873.7 6873.7 -3.8 -0.8 -0.8 ,7.1 ,1.8
473 3005 1022 37532.3 9543.1 6865.3 6882.1 8882.0 8882.0 8881.5 8881.4 8881.4 -3.8 -4.0 -4.0 -3.3 -4.0
528 3004 1077 37531.1 9598.3 8890.8 8887.5 8867.4 6867.4 8888.8 8888.8 6886.7 -4.0 -0.1 -0.1 -3,6 -4.2
830 3003 1179 37530.8 9700.0 8800.8 8987.3 8897.3 8897.2 8898.7 8686.6 8888.8 -4.1 -4.2 -4.2 -3.8 -4.3
730 3002 1278 37531.0 980D.2 6805.4 8801.9 6901.6 8901.8 8901.2 8901.1 8801.1 -4.1 -4.2 -4.2 -3.7 -4./
828 3001 1378 37531.8 9898.8 8911.0 8807.8 8807.5 8907.5 8808.9 6908.8 8008.8 -d.0 -4.2 -4.2 -3.7 -4.4