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 4000

07/30/94
DISTANCE
FROM PAE-MINING
SURVEY
QUARTERLY SURVEYS
SUBSIDENCE PREDICTED
SUBSIDENCE PREDICTED
SUBSIDENCE
1LLW PANEL
CENTER
In) MAP 23A
POINT PROFILE
DISTANCE
In) NORTHING

(n) FASTING

(n) ELEVATIO

ln) let OIr
03124/93
(h) 2nd Olr
08/23/93
(n) 3rd Oir
09130/93
(n) 4th Otr
12/27/93
(n1 let Otr
03/14/94
(n) 2nd Otr
O@/OBIB4
(n) LAST
PERIOD
(n) THIS
PERIOD
(nl
TOTAL
(n) AFTER 2LLW
MINED
(n) AFTER 1LLW
MINED
(hl
-451 4028 1282 37004.8 10000.3 @852.7 8852.5 @852.4 8852.4 @050.2 8850.1 8850.0 -2.5 -2.7 -2.7 -0.2 -2.7
-415 4027 1378 37028.8 10000.2 BB53.8 8953.8 8953.5 8953.5 8851.1 8951.0 8951.0 -2.7 -2.8 -2.8 -0.1 -2.7
-400 4028 7333 37013.5 BBB8.8 8955.1 8855.0 8854.9 8954.9 BD52.4 8852.4 8952.3 -2.7 -2.8 -2.B -0.1 -2.8
-350 4025 1383 36983.4 10000.2 BD57.5 BB57.4 8957.3 6957.4 8854.5 6954.3 8854.3 -3.0 -0.2 -3.2 -0.1 -3.1
-300 4024 1433 36913.9 10000.3 8980.3 8080.2 8D80.1 BB80.1 8858.8 8858.7 8858.8 -3.5 -3.7 -3.7 -0.1 -3.3
-250 4023 1483 36883.8 10000.4 8883.2 8883.2 8D83.1 8893.1 BB58.3 8959.2 8859.1 -0.D -4.1 -4.1 -0,1 -3.9
-200 4022 1533 38813.4 B9B8.B 8988.4 BB88.3 BB89.3 8888.3 8981.8 8981.8 89@1.8 -4.5 -4.8 -4.8 -0.1 -4.3
-100 6021 1833 38713.7 10000.0 BD71.1 8971.1 8871.0 8871.1 8988.2 8988.0 8865 B -4.B -5.2 -5.2 0.0 -5.2
0 6020 1733 38813.5 10000.7 8974.4 8874.5 8874.4 BB7d.3 BBBB.S BBBB.3 BBBB.3 -4.B -5.1 -5.1 0.0 -5.8
75 4018 1808 38538 7 10000.5 8977.0 6877.8 e9n.6 6977.8 8973.2 8973.1 6973.1 -4.4 -4.5 -4.5 0.0 -5.4
148 4018 1882 38464.4 B9B8.7 6979.8 8878.@ 6978.@ 8978.@ 8876.0 6975.8 BB75.8 -0.8 -3.7 -3.7 0.0 -0.7
224 4017 1957 38389.4 BDBD.7 8879.4 BD78.4 8878.4 8D78.4 BB73.B 8877.8 BB73.8 -2.e -2.9 -2.9 0.0 -3.D
2BB 4018 2032 36314 8 9D99.8 8972.7 8872.7 8872.7 8972.7 8871.0 8870.8 6970.8 -1.7 -1.8 -1.B 0.0 -2.8
375 4015 2108 38238.2 BBBB.S 8877.7 BB71.7 9871.7 8871.7 8870.8 8970.7 8970.7 -0.8 -1.0 -1.0 0.0 -1.7
417 4014 2151 39188.1 10000.3 9874.7 BD74.7 9874.7 8874.7 8874.1 BB74.0 9974.0 -0.8 -0.7 -0.7 0.0 -1.3
485 6013 2198 38148.1 10000.2 8977.5 8877.5 8977.5 8977.5 8877.1 8977.0 6877.0 -0.d -0.5 -0.5 0.0 -1.0
514 4012 2247 38099.8 8988.9 8881.8 8881.8 8881.6 6981.9 8881.3 8881.3 8981.3 -0.3 -0.3 -0.3 0.0 -0.8
584 4011 2287 38049.4 10000.1 8980.3 8880.4 8880.3 8880.4 BB80.1 8880.1 8880.1 -0.2 -0.2 -0.2 0.0 -0.5
815 4010 2348 35898.4 10000.4 9878.1 BB7B.1 8879.0 8878.1 BD78.D 8878.8 BB78.8 -0.2 -0.2 -0.2 0.0 -0.4
885 4008 2399 35848.1 10000.1 8978.4 8878.6 6879.4 8978.5 8878.3 6979.3 6978.3 -0.1 -0.1 -0.1 0.0 -0.3
715 4008 2449 35898.2 10000.5 8978.5 8878.8 8978.@ 8978.8 8978.5 8979.5 6978.5 -0.0 -0.0 -0.0 0.0 -0.2
766 6007 269D 35847.8 10000.4 8979.8 8978.8 8879.8 6978.9 8979.8 8978.8 8978.8 -0.0 -0.0 -0.0 0.0 -0.2
815 4008 2548 35798.3 10000.4 B9B3.8 8883.8 8883.6 8883.8 8883.8 BB83.5 8983.5 -0.0 -0.1 -0.1 0.0 -0.2
885 4005 2589 35748.2 10000.3 B9B0.8 8890.8 8880.8 8980.8 8880.8 8890.7 8890.8 -0.0 -0.0 -0.0 0.0 -0.1