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<br />-3-
<br />_^ro-: 1 :~cr-e ?.0 100 horse power. Coal is used for fuel.
<br />An aerial rope tra.-~wraS 2000 feet long Kith jig back connects
<br />3:ine with ;'ill. The method of orc treatment is concentrating
<br />c:.:~herr rich stu.:,ps. .
<br />F.X?'L0 I4E3.
<br />v ;~ uelai.lne V1Cttlr and Z.i~. f'.:C°.:'etal ta.T.p1nET, bar: with
<br />-nod=^ en3s •~.scc. ;ill ::zces~ por:der is stored in iron clad
<br />frzc!e naraoine 15C feet from T•,:nnel. Averaao amount of ex-
<br />plosives kept in storage 2000 Lbs.Device for thawing powder is
<br />;rater enclosed candle heated thairer,
<br />~: I I. I_ G & Lf I R E IS E T H O D S,
<br />Tne r::eir. onP.nin, i~ ~ 1''ir1nP.1 8600 feet long, ':"ork is carried
<br />cn at tug- ire:rent time it the :;top s end drifts. All build-
<br />iR,J ... l.ac_.,-~ at ^n•-,t~.. ~,f Tun-,el. Tne :~etr.od of ore extrac-
<br />~~-~. Ic .:actA "iilin,^ rock ci:ut~~s. Ingersol rood stope.~ and
<br />~'....: : 1'~ ~Jn ~^111[; C:Pe u~P•i, • C ti-
<br />• ... ..oo of tict~rin~ is stullin,,
<br />pT.'~ P T T
<br />u.... ='ura:ei ~e::.:;. ,.., Limo a:•c, r•ed onruc., nder round
<br />V G
<br />trdmrsin~ is 3one :.,~ mule. Sy-'„^.° of van±.ilation is natural.
<br />'L'nP __b lr r'1 _. C7: P!?Cted Dv ^?^.:7 ~.n^ Tea ~..
<br />• -., ~ ,..ine has three
<br />e::i t;, ,,..rot;;_i-: r.lnze ~ any tunnels.
<br />T 1, T I S T I C :~,
<br />j ~:v°°=r'= ,^-...:a~F _. :acnah 2000. ~uLal nu~oer of feet in
<br />
<br />~ ~!?"': Coat ner foot '2C,oo. Total nur!ber of feet in Tunnels
<br />a'
<br />~
<br />,;~ ::AGO. ,_ot per foot '`~7,0
<br />,~ '
<br />!;
<br />., J, ?otal rur_bsr of fe,t in 3rift^ 10',^O. Co:,t i e^ foot F10
<br /> .oo
<br /> TUtal ..^.U r:DCr pf fF.'F't In CrUCJ CU
<br />rt u
<br />t SGOO. u
<br />l~,oo
<br /> TCta'1 n u u n
<br />~~inL'8(I
<br />n n u n
<br />iU
<br />?
<br /> ..
<br />, 11.00
<br /> Cast o f fuel ',;:-r,o^ -~~•~ tor.. ~ CO:,t of timber ~CC,oo per Thous-
<br />,~
<br />~ ard. CUr,t of ..^,teel ,9~ nPr lb: Coct o±' nd;~3er
<br />.14¢. Cost
<br />~ I of tr ay^r ti, p .,
<br />^r• ~~ pup lice '.,o
<br />nes ":J
<br />'
<br />i .o~ per ten.
<br />Average
<br />:7i as:;ay value %~re per ton "'1=', 00.
<br />v Cost per Lori minin;
<br />of
<br /> i
<br />ore
<br />I 2.7b. Cosa of tran~por+ird orc- to Railroad r4
<br />50
<br />' .
<br />per ton.
<br />`r
<br />'i~l
<br />~'I ..., /~
<br />Co.it o
<br />f nT trnutT;Pnt. Y. r`•Gfi
<br />J per _
<br />
<br />tnn. -
<br />
<br />
<br />_ ~_=
<br />
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