REP42036

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 9/4/1997
• Doc Name: 1997 Mid-Year Subsidence Report
• From: Mountain Coal Company
• To: DMG
• Permit Index Doc Type: Subsidence Report
• Media Type: D
• Archive: No

WEST ELK MINE B-SEAM SUBSIDENCE UPDATE THROUGH JULV 1997
10/92 EL - 7/93 EL
= -0.43
=== -0.43 -0.46 -0.49 -0.50 4.46 3.89 3.17 2.63
7/93N -10/93 N._--
__ -0.51 -- ===0.46 -- ===0.51 _- ===0.59 -- ===0.54 _- ===0.09 -- ===0.00 -- =--0.07 -_ ===0.10
7/93 E. - 10/93 E. 0.03 -0.07 0.07 0.21 -0.15 1.12 0.92 0.38 1.03
7/93 EL - 10/93 EL 0.62 0.64 0.65 0.66 0.64 0.69 0.66 0.76 0.63
10/93 N. - 7/94 N. 0.16 0.1 fi 0.16 0.16 0.43 0.11 0.33 0.22 0.32
10/93 E. - 7/94 E. 0.34 0.35 0.35 0.35 -0.33 0.36 0.72 0.79 0.33
10/93 EL - 7/94 EL
= 0.00
=== -0.02
=== -0.03
== -0.04 -0.03 0.03 0.02 0.01 0.02
7/94N -10/94 N.---
__ _-
0.51 -- 0.51 -- -0.34 -- ===0.50 -- ===0.60 _- ===0.23 -- ===0.34 -- ===0.20 -- ===0.44
7/94 E. - 10/94 E. -0.14 -0.25 -0.60 1.31 0.50 0.31 0.11 0.02 0.40
7/94 EL - 10/94 EL 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
10/94 N: 8/95 N. ______ ~==--0.9] -- ---1.3] -- ==-1.51 -- ===1.89 -- ===2.09 -- ===0.34 -- ===0.20 -- ===0.56 -- ===0.39
10/94 E: 8/95 E. -0.05 0.10 0.35 1.16 -0.16 0.14 0.11 0.09 -0.13
10/94 EL - 8/95 EL -0.76 -0.79
=== -0.78 -0.78 -0.80 -0.02 -0.08 -0.12 -0.13
8/95 N: 11/95 N. -0.63 -- 1.06 -1.32 -- ===1.65 -- ===1.77 -- -==0.06 0.12 == =--0.3] -- ===0.04
8/95 E: 11/95 E. 0.43 0.47 0.56 0.42 0.17 -0.15 -0.16 -0.06 0.00
8/95 EL- 11/95 EL -0.18 -0.17 -0.22 0.22 -0.20 -0.13 -0.06 -0.02 -0.02
11/95 N: 7/96 N. ------ -=__-0.09 -- ---0.08 -- ---0.02 == =-=0.08 -- ===0.50 -- ===0.02 == =-=0.10 -- ===0.01 -- ===0.05
11/95 E: 7/96 E. -0.04 -0.14 -0.03 0.31 -0.15 0.2] -0.02 0.07 0.18
11/95 E: 7/96 EL
= -0.29
= -0.33 -0.33 -0.33 -0.33 0.03 -0.05 -0.07 -0.07
7/96 N: 10I96N.---
___ --
==0.17 -- ===0.10 -- ===0.22 -- ===0.05 -- ===0.16 -- ===0.11 -_ ===0.00 -- ===0.06 -- ===0.10
7/96 E: 10/96 E. -0.06 -0.07 -0.14 0.07 0.12 -0.10 0.18 -0.01 0.06
7/96 El: 10/96 EL
=
= 0.06
=== 0.05 0.06 0.04 0.06 0.01 0.03 0.05 0.07
10/96 N.-7/97N._
-
___ --
0.28 -- -==0.27 _- ===0.58 -- ===0.61 -- --=0.81 -- ===0.03 -- ===0.06 -- ==-0.01 -- ---0.05
10/96 E: 7/97 E. -0.02 0.17 0.10 0.10 0.09 -0.10 -0.15 -0.04 -0.34
10/96 EL: 7/97 EL 0.12 -0.17 -0.16 0.15 -0.17 0.04 0.09 0.06 0.03
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