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Show UTAH COPPER OUTPUT HIGH Utah's copper production in 1947 rose 133 per cent, matching the 1941 record peak, to reach a total of 266,095 short tons. Strong recovery from the more than five months strike in the early part of 1946 carried the '47 figures to the record high, despite des-pite a B & G railroad strike from Oct. 22 to Nov. 5, according to a survey released by the bureau of mines. The strike was estimated to have curtailed Utah's 1947 copper output by 13,000 tons. The Utah Copper mine, largest copper producing pro-ducing property in the nation, accounted for more than 30 per cent of all copper produced in the U. S., the survey said. Other Utah mines that yielded more than 500 tons were United States and Lark, the National Tunnel and Mines (closed in August), Aug-ust), and the Columbia group of Ohio Copper Co., all in Bingham district. The district produced 262,500 tons of copper in 1947, compared with 112,083 tons in 1946, according to survey figures. Copper ore and old tailings treated in Utah in 1947 totaled about 29,100,000 tons, compared with 12,471,308 tons in 1946. |