REP10034

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 8/21/1998
• Doc Name: MOUNTAIN COAL CO AUGUST 1998 SEMI-ANNUAL SUBSIDENCE MONITORING REPORT PN C-80-007
• From: DMG
• To: JIM BURNELL
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

MOUNTAIN COAL COMPANY WEST ELK MINE SUBSIDENCE UPDATE
AUGUST 1998
SUBSIDENCE POINT # 1 2 3 4
PRE-MINING NORTHING 395478.26 395475.16 395471.62 395468.70
SURVEY #1 EASTING 1442168.80 1442218.42 1442269.11 1442318.14
APR. 1985 ELEVATION 7867,19 7846.86 7811.65 7782.14
PRE-MINING NORTHING 395478.14 395474.98 395471.50 395468.61
SURVEY #2 EASTING 1442168.21 1442218.04 1442268.96 1442317.80
OCT. 1985 ELEVATION 7867.24 7846.87 7811.66 7782.15
AVERAGE OF NORTHING 395478.20 395475.07 395471.56 395468.66
PRE-MINING EASTING 1442168.51 1442218.23 1442269.04 1442317.97
SURVEYS
_ ELEVATION
__ 7867.22
_____ 7846.87
_____ 7811.66
______ 7782.15
___________
________
_____
POST-MINING ____ ____
______
NORTHING _
______
395475.17 ____
___
395472.20 ____
__
395469.49 _
395466.79
SURVEY #17 EASTING 1442165.36 1442214.75 1442266.23 1442315.64
OCT. 1993 ELEVATION 7859.83 7838.91 7803.77 7776.83
POST MINING NORTHING 395475.00 395471.92 395469.38 395466.70
SURVEY #18 EASTING 1442165.01 1442214.48 1442265.85 1442315.39
JUL. 1994 ELEVATION 7859.80 7838.91 7803.74 7776.81
POST MINING NORTHING 395475.34 395472.40 395469.58 395467.00
SURVEY #19 EASTING 1442164.91 1492214.38 1442265.78 1442315.26
OCT. 1994 ELEVATION 7659.78 7838.75 7803.62 7776.67
POST MINING NORTHING 395474.95 395471.60 395469.09 395466.59
SURVEY #20 EASTING 1442164.38 1442214.23 1442265.90 1442315.38
AUG. 1995 ELEVATION 7859.84 7839.01 7003.84 7776.92
______________
POST MINING ____ ____________
NORTHING ____________
395474.91 ____________
395471.87 ____________
395469.30 ____________
395466.64
SURVEY #31 EASTING 1442164.60 1442213.98 1442265.46 1442314.78
OCT. 1995 ELEVATION 7859.98 7839.08 7803.95 7777.05
______________
POST MINING ____ ____________
NORTHING ____________
395474.92 ____________
395471.90 ____________
395469.28 ____________
39546n.56
SURVEY #22 EASTING 1442164.60 1442214.11 1442265.58 1442314.90
JULY 1996 ELEVATION 7859.98 7839.10 7804.01 7777.12
POST MINING NORTHING 395475.06 395472.11 395469.49 395465.78
SURVEY #23 EASTING 1442164.63 1442214.10 1442265.64 1442315.00
OCT. 1996
______________ ELEVATION
____ ____________ 7859.97
____________ 7839.04
____________ 7803.97
____________ 7777.08
____________
______________
POST MINING ____ ____________
NORTHING ____________
395475.06 ____________
395471.89 ____________
395469.37 ____________
395466.62
SURVEY #24 EASTING 1442164.63 1442214.12 1442265.56 1442315.01
JULY 1997 ELEVA'T'ION 7859.97 7839.29 7804.20 7777.33
POST MINING NORTHING 395475.06 395472.12 395469.41 395466.80
SURVEY #25 EASTING 1442164.63 1442214.22 1442265.61 1442315.13
OCTOBER 1997 7859.97 7839.15 7804.00 7777.10
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