Show locae location ion of ores revealed by smoke over tho the to the principal mine of a lead company in arizona hung hangs a portrait of antonio tile cavo cave kindar an employee employ eo who roams roama about tho the underground pun ing says popular mcchan acs ics magazine ile he keeps close watch of tho the smoke as an it drifts away and f he bo so seea it through uny tiny breaks briaka in tho the rock formation tho the workings aro extended in that direction which often lends leads to inner caw cams fl rich in oro om AtIne rals in tills this region gymn to havo have boen been deposited in which llo ila in an approximately horizontal piano the tha mine la in wd to have boon been enlar enlarged ved by than half a malo allo in this manner annor ra tunnels Ti innela are drivon driven under the caves itna tho the oro ore Is dropped directly into tho the cars that carry it out of the tha mine |