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MINING AND MINE METHODS.
<br />The main opening is a two oompartment shaft, (bucket and ladder
<br />way) 4 x 8 ft, in the olear, 960 ft, deep, Buoket way ie
<br />provided with a good skid road, and confined by side planking.
<br />The ladder way is provided with a good ladder, with stations
<br />at intervals. The shaft is timbered atull seta. Levels ocour
<br />at the following depth:- First level, BO ft, running 1300
<br />ft, west; second level, 120 ft, running east 300 ft,; third
<br />level, 160 ft „ running vilest 1200 ft,; fourth level 240 Pt. ,
<br />running west 800 ft.; fifth level 320 ft., running west 600
<br />ft., and east 40 ft,; sixth level, 400 ft., running west 340
<br />ft. and east 90 ft. seventh level 600 ft, running west 700 ft,
<br />and east 100 ft. eighth level 600 ft, running west b50 ft,
<br />ninth level, 725 ft. running west 500 ft, and east 80 ft,; tenth
<br />level, 825 ft „ running west 350 ft, and east 200 ft,; eleventh
<br />level, 925 ft „ running west 120 ft „ and east 120 ft,
<br />Rote, The first, or 80 ft, level, is known as the edit level,
<br />as it oonneots with surface. YJork is carried on at the pres-
<br />ent time, at the breeats of the 9th, 10th and 11th, levels west,
<br />Lifornia
<br />The nearest workings to these, are those on the Montgomery7Lode
<br />Iron
<br />about 100 ft, to the south, and with whioh, these are eonneoted.
<br />use
<br />Hoisting is done by a bucket, weight of load hoisted, one ton,
<br />. frame
<br />dlstanoe 925 ft, A 7~8 in, steel oable, provided with safety
<br />I, of shaft-
<br />ohain and eoaket, which has been in use six months, is employed.
<br />d in a
<br />Eleatrio signals are employed, with the Perrine oirouit break-
<br />aft-house, er also wire bell line attaohod to
<br />gong, should the other ba-
<br />re stored '
<br />oome disarranged. The Colorado Coda of Signals is employed, a
<br />copy of whioh, is posted at shaft collar, and at engine. The tram-
<br />ming ie done by a trammer, uaing~ Buoket and trolly. The ov~r-
<br />hand method of stoping is employed, with single hand dri111ng,
<br />Tho method of timbering omployed is the atull and set, using red
<br />apruae and pine. The Cornish lip ohute with shutter gate, is
<br />employed. Traokaga consists of Band 10 1b. rails, The drain-
<br />age is effeoted by a Ro,7 Cameron sinker, placed at the 10th level
<br />whioh raises the water to a sump on the 9th level, where it is
<br />taken oars of by a Janesville station pump, 12 x 4 x 12, using
<br />3 in, water oolmm~, and 3 in, steam oolumn.
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