PERMFILE116326

• Permit No: C1984063
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: APPENDIX M SUBSIDENCE PREDICTION AT THE EASTSIDE COAL COMPANY
• Media Type: D
• Archive: No

U
90°
00°
70°
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u SO°
z
~ 40°
~ 30°
a
20°
10°
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10° 20° 30° •O° SO° 00° 70° BO° 90°
a ANGLE OF DIP OF SEAM
Figure 19 Effect of seam inclination on limit angles
(Handbook, p.ib, Fig.B>
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