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Show KENNECOTT TUNNEL HALFJMMPLETED Crews of the Utah Construction Construc-tion Co. have passed the 'half way mark -in drilling Kenn.cctt . Copper's new 18,000 fect ore h'juUge tunnel at Bingham Can-1 yon, it was announced Thursday. A total of 10,900 feet was, reached this week on the $12 niil-ix'n project -which will connect con-nect the butt cm of 'the open-pit copper mine with Copperton As-; suribly Yards. . . I Started in November of 1956, completion is expected by 1960. L'tJii Copper Division officials reported that during February 1,205 feet were driven 'in 24 working days, or an average of more tilvan, 50 feet .per day. Similar Simi-lar rapid progress 'has been .made for the past several months, s :oke;i.n'en said. The three and one-half mile project will constitute one of the l::: .;t.'sl mine tunnelis in the United Unit-ed States. At points, the concrete I'-ned 'tunnel .will be 1,800 feet LeLw the top "lip" of the huge mine. When completed, the tunnel will be 13 feet 'wide and 24 feet high,' and will accommodate a single standard gauge railroad track. |