Show I MINERS MINERS' II RESULT OF OUST DST It J 1 The results of an miners' miners consumption in th the ml mY Butte Mont which period of four years eats ears are paper No o. o 60 60 by Daniel Ha Haton Haton Haton ton mining engineer and Dv Dr Lanza of the United States States health service service just issued by the ed States bureau burea u of mines 11 I course of the investigation mon morl 1000 miners were subjected to pl examination and approximately cent showed definite signs of-d' of f dt Jury to the lungs It was toun the death rate in Butte ill Id on one from tuberculosis was nearly tf tl m times as great as that of e Michigan g m Miners Miners' consumption is mecha produced is neither develops slowly andl production of scar sear tissue gradual pairs the t function Ion of the lungs length of time necessary to pi the disease depends on the lent leng time the miner has worked Jin un unyielding yielding yielding- hard sharp insoluble the amount of silica in the Idi dt which he has been bEn exposed theja ness with which he worked U of application of ot the them m his work the actual work he has done underground to a great extent on the genera general under which he works Works fc |