Show LEACHING T COPPER ti an cm 4 W huge layers of scrap tin and iron which will be turned to copper by precipitating or catching copper in witter water at bingham canyon tin cans discarded in A stream by the tha wife of 0 a miner near butte montana led to scientific research that resulted in the saying saving of 0 much copper which otherwise might have been lost according to a legend ot of the mining industry the water ot of the stream near W which litch tile the miner had his cabin per ier collated through the hills ot of dutte butte picking up a certain amount oi 0 copper tin cans thrown into the stream by the miners wife picked up a certain amount ot of the copper in n the water and eventually the ina entire tin can was turned or replaced to copper this led to scientific discoveries that brought about copper precipitation a practice now in utah in an ail effort to save every ounce ot of metal to creato create industry and employment one ot of the largest copper precipitating plants in the world la Is operated by bt the utah copper company at the mouth ot at bingham canyon like the rains mine itself which tor for so many years was considered worth less duato due to the small copper content of 0 the ore the water which for so BO many years yeara flowed aimlessly down bingham canyon la now being putto put to commercial use for every ton ot of ore ora mined it Is necessary to mine about a ton ot at waste and amov it to nearby gulches tho the water percolates latea through the great mass of waste wasta which has hag been removed from the mine leache sor picks up a certain amount ot of copper in solution dy diverting the water into A 4 plant at the bottom ot of the canyon much of the copper is sav saved ad the water vater la is diverted into huge tanks which are filled with tin preferably de tinned tin or scrap iron which attracts the copper in the tha wilter water and within a comparatively short tima the scrap Is turned to copper try it sometime by placing your christmas jewelry in a pan ot of water containing so copper per to in solution tiou |