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APPCOR12420
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APPCOR12420
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Entry Properties
Last modified
8/24/2016 6:32:48 PM
Creation date
11/19/2007 2:30:26 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981041
IBM Index Class Name
Application Correspondence
Doc Date
5/20/1982
Doc Name
ROADSIDE AND CAMEO 1 MINES FN C-041-81
From
POWDERHORN COAL CO
To
MLRD
Media Type
D
Archive
No
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• • ~ <br />POWDERHORN COAL CO(ti1PAPJY <br />ROADSIDE MINE <br />PROTECTIVE PILLAR DESIGN <br />,~i//c~~ hcigh r ~r, = ~ S/;F <br />Pi//or tyidfh , ,o 20/f. <br />Ai//or/eny,:~, .c~ 80{1 <br />Orerburoen dew h, ~ _ /5G10~ ~ <br />OverSuroen densify, ~ . /aa /6/su// <br />,4ng/e o~in}ervo/ lriciion, ~ _.38.8 ° <br />Co~r~pression s ~engfh ofpi//or ri5side, ~ : 698,vsi. <br />Maximum verrico//Jr//or s/ress, ~ . <br />~ _~6.944x/0-'rHf~F)TGn/~t opsi. <br />V <br />- 0 / f Sin <br />Ton /-~ _ / - Sn ~ ` ~. j56 <br />= 6'.944 x /0 -j)~i4a)~/S00)~4356~ t 698 <br />~v = 7232,osi. <br />Disfonce infopd/or fo ca~~ned core, Y <br />n _ in ~r ~/ <br />y ron~9 ~Ton/~ •i) ~~ ~0 t ~F t mod) ran <br />=0 <br />~ _ ~.5 7232 <br />y 1~356~-3.356) ~"' 69Bto <br />y = 2. j7~f <br />~ ~ 1 s/ rJ <br />c y-u.74jr.,p=~vj~. <br />2 y^ < p, . ,use /ormu/o for wide pi//crs <br />Load corryi~g capoci/y o/%oi//ar, C . <br />L = D 072 a-„ ~P~-p Y - ~ y t a/3r ` Tcns <br />L , 0.072~72i2)~/?a)/d0~ ,izo,/~/7~/eo)/z/7), %/z~~) J <br />L :723, 400 Tns <br />Tribujory dreo Cood /TAC~ /s the r~eghf a,~/he overburden fa fhe sur~oce ociing an eoch,oi//or <br />50' <br />i u <br />i .r <br />i 7ribufory Areo <br />~P///OrS <br />'~- BO'-~ <br />/00" ~ <br />J <br />
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