PERMFILE104556

• Permit No: C1981013
• IBM Index Class Name: Permit File
• Doc Date: 8/24/1998
• Section_Exhibit Name: EXHIBIT 24 SUBSIDENCE MONITORING DATA PART 1
• Media Type: D
• Archive: No

TABLE 26B THIRD NORTH SUBSIDENCE MONUMENTS
West-East Direction

Horizontal Displacement Vertical Dis lacement

Station Longwall
Panel Date of
LW Minin
Maximum Last
12 Months
Maximum Last
12 Months COMMENTS
36 NW-2 Jan. 95 1.67 0.02 5.29 0 Stop Surveying - No significant movement in last 12 months

37
NW-2
Jan. 95
2.45
0.01
3.62
-0.02 _
Sto Surve ing - No significant movement in last 12 months
38 NW-2 Jan. 95 1.83 0.01 1.65 0.04 Sto Surve ing - No significant movement in last 12 months
39 NW-2 Feb. 95 0.92 0.02 0.75 -0.01 Stop Surveying - No significant movement in last 12 months
40 Barrier None 0.27 0.01 1.04 0.05 Sto Surve ing - No significant movement in last 12 months
41 Barrier None 0.24 0.04 -0.18 0.07 Terminated Surve ing 1997 - TR4fi
42 3-N Mains None 0.26 0.03 -0.24 0.03 Terminated Surveying 1997 -TR46
43 3-N Mains None 0.19 0.05 3.42 0.04 Terminated Surve ing 1997 -TR46
44 3-N Mains None 0.19 0.03 3.4 0.00 Terminated Surveying 1997 -TR46
45 3-N Mains None 0.12 0.05 -0.28 -0.01 Terminated Surveying 1997 -TR46
46 3-N Mains None 0.81 0.08 -0.32 0.01 Terminated Surveying 1997 -TR46
47 3-N Mains None 0.21 0.03 0.22 0.00 Terminated Surveying 1997 -TR46
48 No Mining None 0.41 0.04 -0.05 -0.01 Terminated Surveying 1997 -TR46
49 No Mining None 0.31 0.02 0.16 0.03 Terminated Surve ing 1997 -TR46
50 No Mining None 0.86 0.03 -0.19 0.03 Terminated Surve ing 1997 -TR46
51 No Mining None 0.35 0.03 0.17 0.02 Terminated Surve ing 1997 -TR46
52 No Mining None 0.41 0.04 0.19 0.03 Terminated Surveying 1997 -TR46
53 No Mining None 0.32 0.07 0.16 0.02 Terminated Surveying 1997 -TR46
54 No Mining None 0.18 0.06 0.15 0.02 Terminated Surveying 1997 -TR46
55 No Mining None 0.33 0.02 0.22 0.01 Terminated Surveying 1997 -TR46
56 No Mining None 0.45 0.02 0.14 0.01 Terminated Surveying 1997 -TR46
Exhibit 24 Page 3 Revised 8/21/98