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DIVISION OF MINERALS AND GEOLOG\' <br />I.qi n•.!n••nl nl ti.Ih,LJ Iti•Mnl^ 1"~ <br />i 1 I I '~nrrtn.,n SI , N'u:m :... <br />pr•ml~r, ('nlur.ulu ritl101 <br />Vhunl• ~ ff19 Rbb-:45L7 <br />rn>< , 4011 Is+1-atcw <br />Intcrofticc i'vlh:~lOI2:~~~1)l'~i <br />STATE OF COLORADO <br />Lea <br />t l+l t)I:'11)l) <br />L~ <br />c rC)r.i~cY <br />rte~e~u roe•eua nc <br />Ulltl•t L[M<! <br />6,I1 (hVPnf <br />Grromer <br />111: Allhl 1lnlda\. Rmrl•IlGmrge' <br />rc: 5and\ Rm\\n,Ihulllrrnundez(e-mail) laRm"~o,m„" <br />• NuruLl LV. Cm,rov <br />from: 13vnm (i. \4'alkcr nh oleo, urtn,br <br />suh,jcct: Raluest tiff tiup(xtrt, tilides ul Yoast. C'-19K_-OR_' ~~,wa1 Ro.~a~ai•rru,na• <br />dote .luh 9, _'004 <br />l his is a report ol~our site visit n, lank :u slur occurrences at the Toast Coal \line un Mny 25. <br />201)4. Please call me ifyou have:u)y yurstiom. <br />.1 finding Irom this inspection is that the slides appear to he those tiff \\hich slip-circle anahses <br />arc standard engineerntg practice life drtrrntinatiuns of stability. tiuch apical slides arc illustrated <br />in the sketch to the lelt. <br />mn - .. _. - <br />- <br />~~~ <br />;> <br />r~~ <br /><~ _ ~_ _r~_~~------- <br />1-- f- r <br />:I _ ~~ ~ <br />JII V~• ~ - <br />„--.~ II1C111n11,ILi'.Ihti.l~n'1: I~•~I Illi IVir,il,~ I~l <br />_~ , _ Iltc 20111 - 21102 pnlcgon :ura. I hr mrr:lll <br />y ~ ~ ISCaldeS :Il the III11l' nt lllr IlltipeCllnll appeared <br />.n be up al 2u".:h'!b. ur I vertical lu _'.K <br />:~'~ . <br />I the photograph to the Icl-t is just south ol•ihe <br />~_ first phuln(;raph (200? cariancr nrral.:~ <br />.. x, <br />i r ~_.;~ a crack is devrlapmg in [he slope. and cuuW <br />~;: ~'E~y~~+°~ he Ihr start ul a slide. ut' due to c(rnsolldatiun <br />• r,t loose materials Inu,st likely a slidrt. fhc <br />, .lope in the area of the crack was ; I". GU"6. <br />~~~~t,s, ~ ur I \rrtica) to 1.7 horizontal. <br />~n:: a Oll,cr ul COlnrud0 <br />~',,: n•d I ~:I,1 F'.' L~n~.~l„~u q~tn'.• end Inannr MUMS Gcnlogical survey <br />