PERMFILE120136

• Permit No: C1981041A
• IBM Index Class Name: Permit File
• Doc Date: 5/13/2002
• Doc Name: Subsidence Survey Monitoring and Control Plan
• Section_Exhibit Name: TAB 20 TOC TO APPENDIX 20-3
• Media Type: D
• Archive: Yes

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TABLE 1. Physical property determinations for coal.
Passive Angle of
Depth Pressure Internal Specimen
Range Coefficient Friction Cohesion
Location ft (Tan6 (~) moo- si
2nd East 0-1000 5.963 45.5° 785
10 + 00 Beltline
0-2000 3.539 34.0° 1240
3rd East 0-1000 7.075 48.8° 782
5 + 00 2nd Right
0-2000 4.297 38.50 1240
ALL Coal 0-1000 6.525 47.2° 783
0-2000 3.919 36.40 1240