REP46097

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 3/1/1994
• Doc Name: SUBSIDENCE MONITORING REPORT JULY-DECEMBER 1993 CYPRUS TWENTYMILE COAL CO FOIDEL CREEK MINE
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

•
SUBSIDENCE MONITORING DATA
Semi-annual Report, July -December, 1993
Twenty Mile Coal Company, Foidel Creek Mine
Monitoring Line 4000
DISTANCE
FROM
BURVEY ELEVATIONS
SUBSIDENCE PREDICTED
SUBSIDENCE
1LLW PANEL
CENTER
(e) MAP 23A
POINT PROFILE
DISTANCE
(9) NORTHING ELEVATION

(9) (8)
03/24/83
(h)
08/23/93
(e)
08/30/93
12/27/83 LAST
PERIOD
(R) THIS
PERIOD
(8)
TOTAL
(tt) AFTER 2LLW
MINED
(tt)
-451 4028 1282 37084.9 8852.7 6952.5 8952.4 8952.4 8850.2 -0.3 -2.5 -2.5 -0.2
-415 4027 1318 37028.8 6953.8 e953.e 8953.5 8853.5 8851.1 -0.3 -2.7 -2.7 -0.1
-400 4028 1333 37013.5 6855.1 8855.0 8854.8 BD5d.D 8952.4 -0.2 -2.7 -2.7 -0.1
,450 4025 1383 38983.4 9857.6 e967.4 8957.3 BD57.4 e954.5 -0.2 -3.0 -3.0 -0.1
-300 4024 1433 36913.9 8980.3 8980.2 9980.1 9890.1 e85B.8 -0.2 -3.5 -3.5 -0.1
-250 4023 1483 38883.8 8983.2 8983.2 8983.1 8893.1 8859.3 -0.1 -3.9 -3.B -0.1
-200 4022 1633 38813.4 8888.4 BBee.3 BD88.3 8989.3 BD81.D -0.1 -4.5 -0.6 -0.1
-100 4021 163.4 38713.7 8871.1 8871.1 8871.0 8971.1 8989.2 -0.1 -4.8 -4.D 0.0
0 4020 1733 76913.6 0071.4 9874.6 eD74.4 9874.3 eD8D.6 0.0 -4.D -0.D 0.0
75 4019 1808 39538.7 9877.6 9077.e 8877.6 9877.8 e973.2 0.0 -4.4 -4.4 0.0
140 4018 1882 38484.4 807D.e 0979.e 8979.e 9878.8 e879.0 0.0 -3.8 -3.0 0.0
224 4017 1857 3938D.d 8878.4 9879.4 eD79.4 9879.4 8873.8 0.0 -2.8 -2.9 0.0
299 4018 2032 38314.8 8972.7 9972.7 8972.7 8872.7 8971.0 0.0 -1.7 -1.7 0.0
375 4016 2108 38238.2 8871.7 9871.7 BD71.7 8971.7 6870.8 0.0 -0.D -0.0 0.0
417 4014 2161 38198.1 897d.7 9874.7 8974.7 9974.7 BD74.f 0.0 -0.9 -0.e 0.0
496 4013 2188 39148.1 8877.6 9977.6 9977.5 8877.6 8977.1 0.0 -0.4 -0.4 0.0
514 4012 2247 38088.9 9081.8 9881.8 8881.8 8881.8 8887.3 0.0 -0.3 -0.3 0.0
594 4011 2287 38048.4 9980.3 9880.4 8980.3 8880.4 8990.1 0.0 -0.2 -0.2 0.0
915 1010 2348 35888.4 8878.1 8878.1 8978.0 8879.1 8878.8 -0.1 -0.2 -0.2 0.0
965 4008 2388 35848.1 8879.4 8978,4 8879.4 8878.5 BD7D.3 0.0 -0.1 -0.1 0.0
715 4008 2448 35888.2 9878.5 8078.0 9878.9 eD78.e 8878.5 0.1 -0.0 -0.0 0.0
lee 1007 2aee 3sen.e w7e.e 9979.6 8979.9 8879.8 9979.a o.o -0.o -0.o o.o
815 4009 2548 35708.3 9883.8 9983.8 8883.8 8883.9 8883.8 0.0 -0.0 -0.0 0.0
885 4006 2588 35748.2 9880.8 9880.8 9990.8 8890.8 8890.8 0.0 -0.0 -0.0 0.0