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PERMFILE109423
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PERMFILE109423
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Entry Properties
Last modified
8/24/2016 10:02:10 PM
Creation date
11/24/2007 6:13:35 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982056
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Section_Exhibit Name
EXHIBIT 07 SUBSIDENCE PREDICTIONS
Media Type
D
Archive
No
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[J <br />COAL STRATA STRENGTH TYPES <br />(VERTICAL SECTION) <br /> <br /> AVER AGE <br /> UNIAXIAL <br /> TENSILE <br /> COMPRESSIVE <br />FT. ABOVE SEAM STRENGTH STRENGTH <br /> PSI PSI <br />30 .'` <br /> <br />UPPER PREDOMINANTLY <br /> SANDSTONE WITH SOME <br />ROOF UNIT R4 MINOR INTERBEDS 9,830 680 <br /> OF SHALE AND <br />20 SILTSTONE <br /> - <br />- UNIT R3 SHALE cu+RBONACEOUSI 7,340 390 <br /> _ <br />_ <br />_ <br />10 PREDOMINANTLY <br />MAIN •;:...;•.~ SANDSTONE WITH SOME <br />ROOF UNIT R2 MINOR INTERBEDS 11,290 660 <br /> OF SHALE AND <br />IMMEDIATE SIITSTONE <br />ROOF SHALE WITH SOME MINOR 1.c%~ ': <br /> UNIT RI <br />SANDSTONE INTERBEDS 4 230 <br />+ 430 i <br />" <br />TOP OF SEAM 0 --- <br />WADGE COAL 4,650 300 <br />IT FI CLAY STONE 6 400 450 <br />MweenuwrrnnC\ + <br />PREDOMINANTLY <br />UNIT F2 SANDSTONE WITH SOME 8,300 670 <br />MINOR SHALE AND <br />SILT STONE INTERBEDS <br />• <br />FIGURE B <br />
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