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??evonue Tunnel ldino - 4 <br />GUti <br />LS I ,Ii~:I Ii G . ~ I1 ..D I3. I I1 E L 7; T $ ,0 D S -Contin. <br /> T«nnel, trhich in 7400 feet in and double *,rncl:ed to.Virginous <br /> vein and .3500.?eet to Cumborlexnd.vain. :Thin in tvhern rrorY. <br /> _n enrrird on nt , +.he prrnnnt tine.. The nnttt_ro of o±her <br /> w~rLin[•n is *,he Cut7borlnnd Drift, r;hich in 1450.fort +.o <br />o. 3)artfivest o?. I?ovenae Tunnel. There nro two otopen rbovo <br /> thin Drift„ The mein oponing is +,hr Rnvan«o Tu*.ncl.. The P4i11 <br />o in c:t *.ho and of nnoty shed covering 700 Peet nur''nr,e and it <br /> ie nonr the en*.rrmoe tanTnnnel. Tho Alnel:nmith nh8p is *.o <br /> the ifor*,h. Saty Idill Pust of• Rlur.Ynmith Shop rn8 tho <br /> isnchino Shop ndJucont to Ala:cL:tmi+.h Shop. Thn tiro doorn arc <br /> plucod in first timboring of.Tunnr;l with nthoru _"«r±hor in. <br />t Tho method of ore oxtrna+.ion in ovorhnnd n*.opping. i'luugh ntopoe <br /> drilln nro usod. Tho method of tirnbrrin~ in tunnel ants in <br /> drip*.s ntulln and ortbbin~ vrhorc.nooded. Tho ?;imbnrn era <br /> firr, ]silted dou('lnn fir. Sarrod in Sew 171.11. Shao to urn <br />ilk. loudrd h;/ f*rr3vil;~. Ilndnrgrrntnd trnrmin5 ".n Pona b;; n7.r.n*.~•in,ity. <br />.tar Thr, n;~ntr+.m of ~~entilntion in nntnrul., Aor.'.ntr.d in Cumhnrlund <br /> Minc b;~ 16" pipe. Tho I31no hen two•ositn ona through the <br /> v!rginnun and ono *.hrough I:u,in Tnnnol• 1;l.notrin Lii~htn 1n <br /> Tunnel and oundlnn in stopon. <br /> 3 TAT I B '1' I C S <br /> AVora~o tonnurn por month 50 ohippin~. <br /> To*,n7. numhar of Soo*, in nhuftn ].fi00, Cn-i+: nnr !'oot "1;0.00 <br /> TotIIl mrmbnr of feet in +:nnnnln 3 rnilns, Coot por !'t. ~1f.00 <br /> Totn1 nnmbrr of fort in r•,ronn rntn 8f'~00, Cent nnr !'+:, ;,~1R.00 <br /> 'Tntr,l nnmhor of font +n w+n::nn 4400. Cone por• 1'not ;",~^0.00 <br />~ Totnl mtmbnr nr i'nnt in dovolopnnn±; 40 mtlnn. <br />r ~ Oout of fool O.lFi por ton. Avnrugn gout nor nonth i~l',0.00 <br />' Con*, of ttrnhor 17.05 por Thnnnund. <br /> Cont of nt•nel Fl to lOS~ por lb, <br /> cunt oe oil .aa.3~. <br /> Cost of. potvdnr 143 por• lb. <br /> Cnut of. trnnnport'nf~ nupplintt to iNnn x4.00 per ton. <br /> AvnT'n[•o nnnn~ v«lun of ul:ipninfs ore por ben v~i')•t)O <br />p 1',.00 <br />' <br /> <br />, <br />" rnillinf5 <br />u n u <br />,l <br />l is <br />iih <br />' ~i! I I <br />,, I;; ,j <br />III <br />III i~ <br />i <br />~~ ~I <br />I ~i <br />, ~. <br />t' i <br />i 1 <br />I I I. <br />, <br />~' <br />;I. <br />~II~ Iii <br />~ ,!~ <br />I~ I , <br />I <br />. !I <br />ICII j~l ~ ~~! <br />I~il lit I, <br />(i <br />II <br />II ~h <br />I jii <br />P <br />it ~~ I I ~I I <br />i' i <br />j <br />II III i <br />~~~';'I <br />,~!I~ ~~I <br />', I'i I ~) <br />~~~~~'~~) ..`,1 <br /> <br />