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Show Severe Pave Way- For Wining Ifeh's Low Grace Ores : . ' - v ... ... ., . ' - ;, v , I : i. ..,-. - . . - - - , - Ov- . ; . ' ; . ' v , N. . ' i j - ' ' , , : - ft . .. - . t " f .:- 1 . ' : i .. ' t.r. ; - - ' .i v.-. : t1 l - y -.; - . ... , . 'i i, . ; , :, I 1 i 1 . ' 5 . ' ' ' ' ' ' - ' ' ' - ' '' s ".rl:l-'-f A . Considered waste years ago this ore Is now being moved from one of Utah's mines as a result of Improved smelting practices. Without Utah's mnoltlng Industry, Indus-try, the. slate's mining industry would ho comparatively Hinall, tint toj;olhor they mako tho world'.s leading non-ferrouii mining and smelling center. Utah's smelling plants nrn located In close proximity to Salt Lake valley. val-ley. They are tho Midvalo plant of tho United Slates Smelling Id;, fining and Mining company. Hid Murray and Cnrflold plants of the American Smelting & Kerinlng company, com-pany, Hie Tooele plant, of llio International Inter-national Smelting & Itellning company, com-pany, tho Stockton plant of tlin Comlnneil Melnhi lteiiur-1 ion company. com-pany. In ri del i I Ion lliern urn Mm two largo milling planlH of Hid Ulnli Copper company at Manila mid Arthur, hut Iheao are mil, euiilom planlH Ireallng only llio production of (Mali copper. All llieno companion maintain largo research drparl iiudiIm, fnini which has eomo nomo of Hid innul Impoi'lanl. lmproveitii.iln In miiipII- Ing and refining practices devetoped in Hid past 110 years. As new economies liavo been mado thoso wivlngM havu been passed along to llio produci unlll loday ores can bo produced and shipped that 1!0 years ago was ooiinidored wasfo. In reality these Improvements havo virtually saved tlio metal mining Industry of If I nil as I hero has been a marked downward trend In tho grade of oro produced 111 recent yearn. 'I'll 1110 companies maintain goo- logical anil mining departments, to amilnL operators In bringing pros- peola Into Hid producing stage. 10v-ery 10v-ery effort Is mucin to assist both small and largo concerns In exploration. ex-ploration. A number of exploratory campaigns have been carried 011 in lllali and iiurniuurling nlalen by lliean eonipanle.'i. 11 Homo Instances Important ore dlaeoveiiea liavn been m.'uln which have lidded materially . to oar mineral reaourcoM and In- ilunli'v anil cmpltiyim.nl.. |