Show new ophir mill 4 i vl AS 4 ap ak Z abw 7 NA it 4 IVI t A W 11 W 0 44 M wi nna f IM 0 A V metallurgy la Is one ot at the imbor taut tant factors in the mining industry industry I 1 shelters smellers Sm ellers elters in suit salt inko I valley allied aided by the untied united states bureau of mines station at the university of utah have talen taken a lead in metallurgical lurg ical development and their combined efforts have done much in utah hs as tho the leading mining and st area in the world smelters shelters Sm elters ond it necessary to set nolde aside a certain amount ot of their revenue for metallurgical research As aa a result improvements tire are eon con being made in the recovery ot of metals those these improvements are passed on to the miner and often result in material savings to them which helps in maintaining the mining industry ot at the state find and in bringing in ores from outside states one of 0 the most important do de of recent years was selective flotation prior to the develop development meat of this type of metal recovery tha the miner was penalized for or line contained in ores now th ih miner ld la nol only paid for thi abi zinc but Is paid tor tar a higher per c of at all metals contained in ili the ores ore s us as the result ot of increase recoveries reco verlea the above photograph of th the newly constructed plant of 0 the in smelling Sm elting refining Ren plant at ophir ophar which was placed in a eon con crete example of what has haa hap bened the plant was erected foi the purpose at 0 treating 00 tons ot at tailings from tho the old ophar hill mill the tha old mill mil which was op coated crated prior to 1925 tailed to catch nil all tha metals in the ore and much of 0 tho the valuable metals passed to thi tailings pond the tailings are estimated to contain 2 per cent lead per er cent copper and a few ounces silver to the ton the ophir plant was erected at a cost ot at and will furnish employment tor sa men erection ot 0 the plant has also stimulated activity at other properties lea in the th ophar region |