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., ~ , <br />MINING AND MINE METHODS. <br /> <br />The main shaft is 4' R 8' in the clear, timbered with <br />cribbing. It is 4~'D feet deep and there. are four levels, the <br />first level being connected with the ffiarapoaa shaft.. The main, <br />or Nabional shaft is divided into tvro compartments, one of which it <br />is equipped vrith a straight ladder and no landings being in the <br />same. Thsy are troubled vrith s mixture oi' nitrogen, carbon <br />.dioxide and oxygen gases in the two lower levels and. are unable <br />to work belovr the second level on account of the gas. <br />The principal arnaunt of work being carried on at the present <br />~ time is in the secoxtd level and in the same veins underneath <br />the old workings. <br />The hoisting is done with a bucket, and. the men are hoisted <br />L•,y hoisting maoninery, the vreight of loads hoisted is 1000f~ <br />li and the distance 200 feet. Tho character and condition oi' the <br />~ cable is 7~8 round crucible steel in good condition, though I can <br />~I not say hour long it has been in use. There is a safety chain <br />clamped to cable vritien was changed 30 days ago, and there is no <br />!i device to prevent the overwinding . <br />There i^ hoisting; L•einr; dons frorn, two lsvo'ls. <br />The L•e11 lino and signnl bells is a 3~8 cotton line attached t <br />to~ an 8 inch P•on(; and tits new stets code is employed, thet^o is <br />~~ tt coda of signals posted onl in the engine room. <br />There 1s an order posted near t'ns collar of the D'nnft, pt^o- <br />hlbi'~ting al.l persons front riding on tiro loaded cage, skip or <br />~~ ~* r atatin.• Lhe rrmximum number of men <br />~ bucket. lhore Su no. orde G <br />I allowed to ride on the bucket. <br />'1'ho shaft at all stations is not provided with a Iruard rail <br />~i but with doors and al].:Lsve1 atatiorts are not Provided vrith a <br />i <br />pasdlage vray around workin(; shaft. 'f!1te altaf't is provided rvi.th with <br />j a pilldp~of r~~^rouruY open onch side nuffl.cient to lnauro safety„ <br />all winzos,'~Tii'll holsq, are not covered or• surrounded with guard <br />roils. The shni'1; at Prsaont is not being; surilc <br />Tha method of extraction of ors is ovsrYutnd atopinE, and both <br />aing5lo and doubly hand dri111n1~;, vrith Inr;arsoll Sergeant 2 1~h <br />machine drills nro used. <br />The timborinlr, is stalls and lagging and is only fair. T,ho <br />tiimbar io dry, red and white epruos, proparsd by hand, and is <br />~......a....~.:...~..... V r~:k <br />~ ._....i ~..... .t FI..~ <br />