Show MILL TESTS AT MIAMI J parke charming channing r consul consulting tin 9 engin engineer a eer of the miami copper company of the globe district of arizona recently save gave out the following 1 statement in new york before his departure for the property which shows the advanced stand taken by the company as to concentration problems miami has come back to about normal production as indicated by the july output of pounds of copper six units of the mill are treating tons of ore daily with good results the sixth unit has been altered so that its recovery averages about two pounds per ton better than theother the other five but the latter will not be changed fust 1 yet as we have in mind some other experiments which should prove advantageous the le leaching achin process will be given a trial and a test plant of twenty tons capac ca ity will be ready for opera operation shortly the at least ie flotation process will not be tried not now but rather the water concentta tion and leaching method of treatment to successful it ought should this prove f I 1 per mean that instead of aiu beicht h tenths 0 ore DI no do cent copper going into tailings 11 be than two tenths of 1 per cen cent t will vill lost thus f ore oi of miami has tons far developed but there are in addition addi N P tons of ore runn running inc abolt abou be yale Iu able t time M e cent which should some A the adf average rage mill extraction has not improved materially of late but our attention has been given more to perfecting other plans which should in the long run prove more beneficial to the coni company pany than trying to bring up the recovery |