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PERMFILE50668
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PERMFILE50668
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Entry Properties
Last modified
8/24/2016 10:55:06 PM
Creation date
11/20/2007 2:35:23 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982057A
IBM Index Class Name
Permit File
Doc Date
11/17/2004
Doc Name
Highwall Mining
Section_Exhibit Name
Tab 12 Attachment 12-4
Media Type
D
Archive
Yes
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f, J <br />ScnCC,(Cual(,nnl~.n;•, lir_h".rl \L~.nn_~ WJrnJ.,m <br />~V'ch Pillar ~~'idth - ~Vad}~c .uul ~1 tflf ('reek tie~uns <br />Oesign Mini n( Hci ht, ft <br />Depth of Cover, h 4 5 6 7 6 7 8 9 1 10 10.5 15 20 25 <br />50 it ~~ i1 /f i,\ (i ~~ III •./, 1~1 • <br /> <br />120 L'. .t, r- . ~ : l , ; ; ~ r, r 6; I~.~ i l r l <br />155 ~n ;: ;: s~ :~ ;v ni n- nv •.7 ;ot r'i <br />190 :'* 60 n.~ 6b r,1 (,(, n8 71 '.! ,%! I'1q r <br />225 nl GS 't ;5 '8 81 s.l 8~ •%~' //4 qtr <br />260 'ii 7$ 5U SJ HU HJ 88 92 qc 96 IU" / `i <br />- <br />295 '(, %± X5 v; s5 <73 ~>8 lu` !na 105 I.'.' I?•t <br />330 s:' '!ii ~u, m2 „r, 102 nr II' II" I1'r t7r. 19 ,,I <br />365 ~~ Ni In~i III lu~l III II' 123 I:'S 131 1~1 1?b J~ <br />400 'Il I(Li I I' I I'+ I I ~ I!" 133 I ~'+ la_' Inrl 185 'Il <br />a35 I~,n II.. I~, I ` <br />- - ~s .(, <br />- - I13 I~n Isa s' ~n" -,~ <br />470 ~II• II' Ij.l IL` Ir,c ~n.~ :r. 5 <br />~.var sumryur, par waa moony vmu~, n ~ ~. ,., ,w. ovv Nu,aw ~ -. <br />Ptllar widths In Italics have width-to-height ratios of less than 0 5 <br />tae ~ i ~ ~ ~ i ~ : l t ..~ r zs <br />- .-. <br />, . ~-! .. ; <br />. I 11:~I ~ <br />1_~ {1 ~~ ~~~, ~ Ml an <br />~ 5 <br />i 15 = <br />.- .- <br />~ ~ -~-6 <br />~ 5 <br />3 ~ ~ ~ ±7 <br />,.,a <br />m ,r " m 6 <br />s' _ ~ 7 <br />z ~" ~ z 8 <br />~ • <br />a <br />~ nb c _r ~ n ~ -~- 9 <br />.. _ . --- <br />10 <br />,~ <br />.. ,-/ -~ 10.5 <br />~~ <br />`'---~ 20 <br />25 <br />~~ ~, ^- -- <br />50 tC0 151)h':i .SG ,.,,, 3h0 <w ;i0 -~_ <br />• DEPTH OF COVER, h <br />I Ir_ urc ?-1a- ~1 ch Pillar desi;n chans tilt ~\~adge and Wulf ('reek seams. Seneca II-W <br />and Yu;rct Pits. <br />li <br />
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