Show 1 I MIAMI'S IN APRIL IS LARGE ARC In April Miami mined tons ton of ot ore erf anti and n produced pounds of copper In concentrates Over feet teet of ot underground underground under under- ground round development deve work was wu done don during dur dur- lug ing the m month th virtually all of ot it being in ore and one ono churn drill wax wan kept in ope operation operation ope ope- ration exploring the northeast territory Diamond drilling will soon lOon b be started on the foot level to explore the ground below that leveL evel Of Ot th the or ore orf mined dur dur- tog InK the month about bout 35 per cent came from development 40 per cent from square setting next to the capping If 16 per cent from the shrinkage slopes and 9 per c ci cint nt from the stock pile The ste e tower for the elevation of tailings has been completed and ii I. being equipped with four tour sixty toot bucket elevator ele tie vator The horsepower motors that drive tho the intermediate crushing machinery machinery machin machin- ery 01 are re being replaced by horie power motors |