Show new industry for utah A vaa vp N n new zinc plant under construction at thoele tooele utah very little it if any of its metallic resources are lost to the state of oe utah faced with the necessity ot of treating lower and lower grade ores shelters smellers sm ellers elters of utah have aavo iid metallurgy to a point that only a negligible part oi ot the metallic content of the ores now flow to the tailings pond prior to the ealy twenties much ot of the zinc in ores of uth ut il was lost in the smelling smelting Sm elting processes and low flow ed through th tha plant and into the tailings tai linTs pond not knot on lydid miners lose the zinc content ot of their ores but they were penalized for it naturally this ment much loss to the tha operators and to the state early in the twenties the smelt ers met this situation with the development of selective flotation at that time the mining ladu try was threatened with virtual extinction as much of the higher grade ore had been mined and ily the low grade lead zinc sulphide ores found on deeper levels of the mine was available selective notation flotation gave tho tha industry a new laase on life as it meant that the operator was paid lor for both lead and zinc now comes another development of 0 significance to the state the international smelting smelling Sm elting refining company has worked out a process to treat the old slag dump in which the lost zinc of 0 former years was stored thereby creating industry payrolls and taxes upon a resource that was formerly worthless coming at this time the new process is doubly important as it will help to furnish a much needed metal for national defense the international which already pours annually into the channels of 0 industry throughout utah approximately in 11 the form ot of payrolls supply purchases construction st railroad freight taxes etc will add substantially to its utah operations with this plant the plant tor for the recovery ot of the tha zinc will cost approximately and is expected to be ready tor for operation in the tall fall ot of 1941 alter after its completion the plant will furnish steady employment tor for about 0 33 5 inen cien |