Show I Mines I and res ies I There was 5 boo of mm mined in the United States m in i 1925 Among principal mining pIa pi ducts acme ele stol gold J silver copper co coal petroleum oleum clay lead stone lion noi slate and cement More lore than three qu qU 1 items ofa of i a million mil i lion men work in the coal mines alone and on an je er averse ene a a more thin than two t thousand of them lose their lives e every yeas yeal How to save e e these lives live is i a great question that the GO Govern GOern Government ern ment is ms helping to solve Safety Safet devices have been mole mote sue suc I Ices ces fut in metal mehl mines mimics than in m coal coalmines mines bee because use of the grases that form ferns in the latter mines nunes and produce e It is its necessity necessary for the th miners to go sto very vc y deep under ground groundland groundland groundland land air tur or ventilation is a constant problem A tubing made of I products hick thich is the kind ol of substitute for le ither seen on house house- household household house I hold furniture and automobiles IS ISnow isnow now being put into mines allover all 0 over o er the th world It twists its way nay and tuns Orld 1 Into in o small prickets ets and through crocked places I It is absolutely wa- wa waterproof wa and air 1 t tight The miners I Ire are furnished ur air that is carried to them through these th se tubes being I in bi by b fans from fpm the surface of ol Ithe the earth But Dut even even sending air into the mines mmes has to b bp br done with great care and all aU the eases rases ha have to be beI b I blown out of the before th the themen themen men enter Mining Dining engineers issett t that bi by b the use of what hat is known kno as the S System stern described above all gases In n shaft sinking ma may expelled Lik Like all other safety vices dt-vices d Vices the use of o ventilating S become sources source of danger is due an I 1 in is not u In older to induce the mine mme opera tors operators and the miners miners to be mole more care re ful careful nation wide safety s fety ety contests are arc an being flanged arranged e a eh ch year under the th direction of the rated States Bureau Buien of Mines Dines and the annual are ar trophies Theire They The are contested for In all metal mining coal mining and am Istone stone quarry di districts The trophy is called ls Is of Safety and am winning of Jt it itys is s a great honor to t any mining district t tI I |