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PERMFILE116326
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PERMFILE116326
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Last modified
8/24/2016 10:12:11 PM
Creation date
11/25/2007 2:08:15 AM
Metadata
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Template:
DRMS Permit Index
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
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• 17 <br />It is assLmed, however, that the tensile strain on the dip <br />side of a panel is increasing and rn the rise side decreasiny. Hok~- <br />ever, the exact relationship between this phenomenon and ttk su ain <br />correction for steep seams rtuist be investigated. <br />In this report, the subsidence line has been determined urn~ec <br />the assu~tion that the surface is flat. The mrresEonding strain <br />has been determined and the lines of both the suhsidencE and the <br />strain has have transferred to the 6,400 level (Figures 12 and 13}. <br />u <br />• <br />
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