Show SILVER SHIELD MINE MINETO TO HAVE VENTILATOR The Silver Shield Mining company has a force of men at work Ing its long tunnel and installing a large ventilating fan Better means of venti ventilation ventilation lation has become a necessity Manager Harry S Joseph said yesterday to per permit permit mit of work beIng continued in the raise which is being driven to the sur surface surface face The raise when completed will permanently solve the problem of yen ven ventilation for the mine It has already been driven feet above the tunnel level |