Show lw ow grade zinc e valuable alu able it may be that at no distant day the treatment of zinc ores oros lunning under 0 20 0 per cent will mill be a general thing fin the camps of the west but at present the el iQ have all they need to care for in the aih hinh fiade products says the mining science tl TI c findling hind ling of the leaner materials will have ban e to fol low in time but it is not to be forgot ten that such ies of zinc oies as the ile best ib is now dravins i aie really iligin h gin deposits the zinc in dustey io 0 fai as the I 1 ocly mountain states ais aie concen ed has coly made a beginning it may b sai I 1 to still stilla I 1 e in the bonanza sta stage stae e if that word is suitable for ii 11 saie sa u the lous metal ladi ind str concerning Cone Conc eining the zi gnp ie problem of the future i w wll 11 known aina buy or says tl TI ere is no question in my mind but that the day will come when tl e zinc the countey wi I 1 I 1 be able to handle s ally IS 18 PT pr p r cent cinc but it will mill take a little tia time in c yet at present all of tha plants are aro sep Liing ore of a good gi fiade ade so that they do not han hae e to bother abou the lo 10 t grade matei ial as it will ken ke n |