MINING AND MINE METHODS. '~,
<br />
<br />3 Pa. manUfaCtG ~ ~ I
<br />- .~ ..
<br />'~
<br />rB ..
<br />,
<br />'Denver, Coloretl .The Abe Lincoln is a two compartment shaft, 4 x 4 in the cle¢r,
<br />;ripple Creek 606. feet deep, timbered with square sets,from the bottom to the
<br /> u ,
<br />~ lbs, The Soils 360 ft. lave];, and vrith 3 x Q sawed cribbing #'rom the 3G0 ft. lefel ',
<br /> to the surface, The 360 ft. level, is connected with the Arcadia
<br />Coal is used shaft, about ,300 feet southwest from the Abe Lincoln. The Arcadia
<br />.
<br />!
<br /> .,
<br />.
<br />',
<br /> has a good ladder-vray.Yn the north compartment of the Abe Lincoln
<br />It is equippetl shaft there is a good ladder-vray, vrith landings every 1G feet.
<br />gineer, The .There are three working levels in this shaft, the 360, 500,
<br />
<br />re"all over and 600 ft, levels,,
<br />of experience al l4ork is being carrded on at the present time on the G00 ft.
<br />E' intoxicating level, in the cares veins and underneath the old crorkings.
<br /> The maps and dravrirrt;s are up to date, and I may get a blue
<br />red with corru• print of the vrorkings.
<br />EO feet h1Gh,
<br />Tha ho
<br />iating is done with one single dock cage. peen era
<br />
<br />;h's shop is f
<br />raised and love red crith hoisting machinery 01ei~•ht oi' Toad hoisted
<br />.nd furnace r 3, 000:1bs,.Distance hoisted G00 ft, The cable is a 9~8 inch,
<br />oes
<br />
<br />t fire is pro- round steel, vrhich has been in use seven months. Clamps are used !
<br />. _ ,
<br /> on the end of the cable, T.hesa were ,phanE;ed a!:out seven months ag•o.
<br />haft house. Cage is equipped vrith safety clutches. L have tested same on Peb'y
<br />'
<br />
<br />The waters}Ipp •..
<br />,~
<br />15th. 1904. There is no p.¢fety device employed to. prevent over- I
<br /> Jl.i' _
<br />tiurg from the,., vrinding, 2uaterial is hoisted from tyro or more levels. A eager is
<br />ed by a .;ood
<br />i
<br />employed,
<br /> The bell line is a 1~2 inch steel vrirs,line, attached to
<br />ag no mill ar. an F3 inch gong, The State code of signals is employed, This code
<br /> is posted in the engine room, at the collar of L•he shaft, and at '
<br /> each level station. Persons are prohibited from r1~Hing on a lo¢rled
<br /> cage. This order is not posteak near the collar of the shaft but
<br /> I have ordered same done,
<br /> A notice stating the maximum number of men perrnittad to ride
<br /> upon the cage at one time is posted Haar the co1a.¢r of the shaft
<br />- and at each level station. Idontnnar chnira arc used far t•he cage. ~~
<br />f
<br /> h
<br />The cage guides are 4 x 4, Oregon girls in good condition. ,~
<br /> The stations are all cut on the east side of the shaft. Tha oIf
<br /> shaft at all stations, except the G00 ft. ie provided vrith guard {
<br /> rails, and ie secured by aralaar of ground upon each side, l
<br /> sufficient to secure safety. A11 vrinzae or mill holes are not cov-
<br /> Bred but I havs ordered same done. The shaft 1e not bein~5 sunk.
<br />
|