Show A missouri farm arm boy did this in utah A portion of the giant mills at magna through which together with arthur flows the largest stream of copper from any single mine in the th world during the past 35 years daniel C jackling as directing head of various copper companies has been indirectly responsible tor for the production ot of more than pounds ot of copper this has involved the mining of 0 tons ot of material of which more than tons was ore jackling was the first man to apply large scale operations to the low grade erade porphyry mines and as the tha result ot of his efforts the untied united nations have the worlds greatest mines from which to draw during the current war in which resources ro urco are ara playing such a vital part A native ot of missouri where he be was ra born in 1869 jackling was educated at the state normal school and the missouri school ot of mines he taught chemistry and metallurgy at the latter from 1891 to 1893 and thon then entered upon his mining career as a chemist and metallurgist at crip pla creek colo prom from 1890 1896 to 1900 he was lii in charge of 0 the construction and operation ot of metallurgical works for the consolidated mercur gold mines at mercur utah 11 in 1903 he organized the utah copper company which la Is renowned tor for the magnitude of 0 its open pit oper artons in 1915 W william willam 11 tatt taft then president of ine united states was wai traveling across utah with jackling and tasker L oddle nevada mining engineer who afterward erward att lie be came united states senator his hl state tatt taft spoke of the panama canal construction and mentioned the great cuts it required thereupon jackling produced figures showing that the excavating operations in his mines exceeded those of the canal this mans vision and enterprise has created an enterprise e which Is ii currently employing men in utah with an annual payroll of |