Show new ophir mill k 11 11 N n WR R ir V 1 1010 10 10 ole j 1 loj 4 ilk A metallurgy Is one ot of the important factors in the mining industry smelters shelters Sm elters in salt l I lake ake valley aided by the united states bureau of 0 mines station at the university of utah have hare taken a lead in metallurgical lurg ical development and their combined efforts have done much la 12 maluta maintaining ining utah as the leading mining and smelting smelling sm elting area in the world smelters shelters Sm elters 11 ind find it necess necessary ary to set aside a certain amount of their revenue for metallurgical research As a result improvements are continually being made in the recovery of metals these improvements are passed on to the miner and often result in material savings to them which helps in maintaining the mining industry ot of the state slid and in brin bringing ang in ores from outside stat states es one of 0 the most important developments ot of recent years was selective flotation prior to the development of at this type of 0 metal recovery the miner wits penalized for colit contained alried in ill ores now th miner la is not only paid for the zinc but is 13 paid for a higher percentage of all metals contained cOn tallied in the he ores as the result ot of increased recoveries the above photograph ot of the 11 ealy constructed plant ot of the international t ter ernat ioui smelting smelling Sm elting plant at ophir 0 ahir which was as placed in in operation last month la Is a concrete r on example ot of what has hap petted the plant was erected tor for he purpose ot of treating tre atine approximately tons ot of tailings from the old ophir hill consolidated mill the old will mill which was wag operated prior to 1925 tailed failed to td catch all the metals in the ore and much of 0 the valuable atals passed to the tailings pond the tailings are estimated to contain 2 per cent lead per cent copper and a few ounces silver to the ton the ophir plant was erected at a cost ot of and will employment 1 or 35 men mell erection ot of the plant lus luis also activity at other properties in the ophir regi |