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<br />I _i~~ ~ I ;. R Wellington: No. 4
<br />+ ~~ I~'
<br />, I ,j - _ :.
<br />,4ihl.. ~II '~ The -cable used ie a 7~8 in. steel cable and Ys in ,good
<br />!~i~ II'; ,_ shape and the ehieve wheel is a~36 in. .iron ahieve
<br />~~.~~ ~ ~ ~j q ~ ~ PUMPING.. J; -
<br />+f ~~,~(~;! The pumping which is done from No 4 level de done by an
<br />hhh ,'~~ ;; Aldrich Pump of 226 al. ca ~~
<br />g P,•, driven by a 35 H.P G.E..
<br />~,~Ir~l motor and a Dean Pump of 425 gal. cap. driven by a 50 H.p,
<br />i
<br />f li ~ ~ '? G.E. motor.
<br />~ _
<br />I~ EI~'j . The mine produces about 350 ale.
<br />Lr! ~ ~I g per minute on an averse ,.
<br />,i I 1dINING.
<br />I:
<br />I'Ni5• III' 14oat of the mining is done by machine drills, Ingersoll
<br />P ~ ~ ~, t ~ff, ~:
<br />~; I ° and Waugh drills being used. The system of timbering used
<br />,
<br />~I I~ ~ ie tunnel seta in drifts, tribe in winzee and raises, while
<br />i
<br />~~ I` i'~ in the stopea stulla and head boards are used.
<br />I'i, ~i
<br />~I I ~:~ I!!' MILLING. '
<br />11 " ~~!'j The milling of this ore consists of wet concentration
<br />,, `+
<br />' ;.I followed by a alight roast and magnetic separation of the
<br />II; I!\ zinc-iron middlings from the wet mill.
<br />dl~'~I~ '' After carrying on along aeries of taste, it hoe shout
<br />' ~?,i, been decided to install a flotation plant For the retreats
<br />A, ~ i I,
<br />ment of the mill tailings, which at the present time are
<br />discarded.
<br />~'I
<br />~4 ~"I Experiments arc also being made on the iron product from
<br />'~~I~' '~, the magnetic separators, which at the !
<br />present time is
<br />'„i,,, ~ worthless as it is too low grade to stand the cast of
<br />il,~{~i~9 shipment to a smelter.
<br />'~'' An excellent diaoription of the mi11a of this company
<br />i
<br />}~
<br />•,~ i~; appears in the Thirteenth Biennial Report of the Oolorado
<br />!I ' I State Bureau of Mines. '
<br />'~I~ The mills era o orated b olootriaal
<br />II p y power, furnished
<br />~~~;,;I by the Colorado Power Company.
<br />~I~n!;
<br />"~~C!": SURPAOE EQUIPlAENT.
<br />~,~ ; Ths equipment of this
<br />I!!', property includes tunnel houses,
<br />~., ~'~...Ii~
<br />~,iiil saw-mill, blacksmith shop, store house, sngino room, dry
<br />~~I~I roomy wet mill, magnetic separation mill, assay office,
<br />r, ~;,
<br />/ transformer house and powder house.
<br />~~. '.I
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