Show THE BOSTON consolidated cost sheets for mine and mill operation for september last the boston consolidated operating at bingham has issued a statement giving cost of mining and milling for the month of september the sta temen also goes into detail as to the holdings of the company mine and mill equipment and mining methods the cost sheets are as follows production seven thousand one hundred and seventy eight dry tons ore pounds copper contents results sulphide mine cost cents per ton breaking ore mucking timbering electric haulage general expense sulphide mine expense 12 cost of mining 1401 development in waste total cost 1688 production porphyry mine seventy one thousand eight hundred and eighty dry tons of ore cents per ton breaking ore mucking timbering electric haulage I 1 04 gravity tram mine expense general expense 02 development expense 10 total results received tons miller tons dry produced tons dry concentrates ci containing on pounds copper recovered pounds copper per ton crude ore average heads per cent possible stamp hours actual stamp hours percentage run milling costs costs per ton crude ore bin crushers stamps 2197 wilfley tables banners launders 51 callow tanks loading concentrates 44 tailings dump 74 water supply heating plant 04 mill expense general expense total mill costs during the month the company at mine and mill employed men |