MINEBK00984

• County: Summit
• Volume: 13
• Document: Inspectr
• Suffix: A

Iing a pressure of 90 pounds to the square inch,wnter used being I
Prom-Tea )tile ceeak,boilera waa inspected July,Nth,i91I.
Thera is one steam engine,and two air compressors on the mine.
There ie in commission and working one steam engine, one air oom-
preeeor,and 22 electric motors between: mine and mill.
Engine is equipped with indicator in view of engineer who works
at engine,the average age of engineers ie 40 years average years
of e~cperienoe IO.None claims to use intoaiosting liquors.
Shaft House.
Head frame is 42 high from collar of shaft,and is constructed of
Z2 7C I4 inch timber,with a sheave wheel 64 inohoa in diameter.
There is a carpenter shop,emiths ehop,and machine shop on the
property, all separate from the engine room,fire protection le
secured by extinguiehere,and pumps with hose.
is a change houee,and office on the mine,aleo Dlant for
ing timber, ore bins and water supply.
Burfaoe transportation.
roads,and wagon road.
ore treatment.
BY mill seperation,mine has a oonoentrating mill.
Espiosives.
owder used 40 per oont geiatine,tuse Z.L.brand,no.metai tamping
barn aliowed in the mine ,wooden tamping bare provided,,no powder
man empioyed,powder i• stored in magazine provided for that pur-
atone,and is situated I!!0 feet Prom bulidings,average amount
of powder kept in storage 1000 ibs,magazine la constructed of
!corrugated lron,eisotrio heater .is used Tor thawing powder,no oil
'oanndles or o aabustibls matter stored with Dowder,sepsrate buil-
ding used for that yurpose.
Yining.
'?hs mine workings consist of one gain shaft I200 feet desp(wilsonl
;one shaft 560 feet (Eldorado !these •halts ar• oonnsoted on the
II00 toot,aa-d the I200 toot levels by drifts running troy the
wiison shaft to an inoiine that leads troea the toot of the Eido-
sado chaff.
Ali work i~ carried on st the present tLae through the wiiaon