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Liberty Bell - 5'. ~ _ ® giber <br />E g P 1, O S I Q E S <br />Dupont, 40~v snd 60~, ponder, German Insoloid Yule and 5-F <br />caps are used". <br />< raises <br />Wooden tamping bars are provided Yor the use of the <br />employes. <br />' 1a mai <br />A powder monkey is employed'. <br />'three <br />Explosives are stored in a magazine used Yor that purpose <br />• g <br />alone in Tunnel raise, about 600 Yeet Yrom the nearest working <br />73d+ `..t <br />place. '1'he average amount ox explosives kept in storage is <br />F <br />one month's supply, or 12,500y~'. The powdex magazine ie a cham-'`. <br />• la use <br />ber out Yrom solid rock, with masonry wall Yront, and iron- <br />. ~ <br />covered door. <br />are to <br />The deviee,3or thawing powder is a chamber in solid rock, <br />1' <br />separate Yrom the. magazine, with electric heaters. <br />Also: b <br />Uils, candles and other combuatiblos are not stored with <br />mods Yi <br />powder but in the store room, with compartmonts.Yor nails, <br />Dollar <br />tools, eta. <br />< - jr <br />HITTING & MINE METHODS th16 0: <br />® 21 <br />There are .no,ehaPts. 611 openings to the eurYeae era <br />tunnels or Dross-outs'. Comm~nnloation between levels untlergrounfl 1'hie oa <br />is by raises on tho vein -three <br />principal raises oonaeoting statio] <br /> <br />levels in several parts ox the mine`. The inoline upraises era _ <br />J <br />equipped with skip-ways Yor lowers <br />- _ ad; oxe to the main tunnel'. tho oa] <br />The ore ie lowered.. down to the, main. tunnel by eelY-aot~.ng <br />ek],pe'. ~ <br />„ <br />~ ,,;~ . <br />Upraises era 6' z l4' in the olear and divined into tl]ree oom- A <br />partmente; two oY the oompartmente bei.nE; used Yor skip-ways., the eha <br />and one or them Yor a ladder-way. Y <br /> <br />6t the present time drixtix~ is being parried on in Q earety. <br />level, east and west; E level, east; 8 level, east and west. ~ 6 <br />3taieee are also bein6 mado on ti, N and 1' lovale., tented <br />n'he Bosition ox worki.nge~relative to other workinae~ls,. D <br />working 1n eu]it end or per raise and near.'runnal xalee fn '1'~ <br />lower mine'. is d' x <br />a OOmplet0 plan oY etopaa and d.rii'te, and maps ern kept i» are tre; <br />the atYioo: 'eidewell <br /> aesri as <br />