Laserfiche WebLink
bombard - 6'. <br />' mIIII14~' & ciIAn LIETHODS-Contin. <br />kept conneationa are made with the Lombard shaYt~auak at the portal <br />in <br />oY innnel Ho. 2". ~1'heae exits are kept in similar condition to <br />Lls <br />the others described above. Ao atoping iacarried on in Ao. 3 ` <br /> but the tunnel is being extended. <br />ith <br />'Funnel 190. 4 ie 400' ih length and timbered Yor about 100' <br />~o.. 3. <br />with posts and oapa. The portal of this tunnel is about b0' Yrom <br /> the mill building. Driving is the only work carried on in this <br /> tunnel. <br />~ b0~~ <br />The 3eemann tunnel is a arose-tunnel starting Yrom a point <br />a~ on 1+x11 river'6.000' Yrom and southeast oY the portal of Tunnel <br />is <br />Ao. 4 and when completed will pass under Tunnel Ao. 4 nearly a <br /> right-angles to the same. The Seemann~ttumel has been driven a <br />z 4' <br />distance of 3.700' and will be driven Z.b00' morn to Satarneot <br />'t the Lombard vela. This tunnel ie driven to obtain greeter depth. <br />oe drainage and Yor the development oY all oY the veins in the group. <br />rt <br />In the distance already driven eight veins have been intersected. <br /> OnA vein ie 12' is wldth~ one 14' and eaother 80'.~ihe others <br />~- ~ are mush smaller veins but all oY the eight veins have a good <br /> aderage value. Ho work lose boon done since 1509. <br />a 1'he Sooman tunnel is ventilated with a Bo. 7. Butielo Yan <br />Lee through a 16-in. steel pipe. Thu Yan is run by 10 h.p. electric <br />~y <br />motor. Tsnmming ie done with an o~eatrio motor. Double trao age, <br />. <br /> uaed. The grade, <br />24" gunge. 16$ T rails and steel tram Dare are <br /> is 1~ ivhiah allows tho'amall amount oY water in tisn tunnel to be <br /> handled by gfarity. 3n111van air drills are need. Poets and oapa <br />• arc used Yor timbering the Yirat lUU'. 9o timbering is required <br /> beyond this point ae the tunnel 1a driren through solid root. <br />- S'horc arc no buildings near thu portal oY the tunnel sad only <br /> ordianry doose are used at thn moubit of tLe tunnel ae there is <br /> no danger Yrom 'Sire. <br /> 2hera are ao maps or draning~ oS the mina or oY the nnder- <br /> grouad woraltsge. <br /> When tae hoist on the Loeenrd ehaYt ie in nao it Sa run <br />