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Show 300 Miles of Tunnel Is Utah's Mine Record Making Way for Another Wast at extensive normng in Silver King Mine at Park City. . ... . . . ... . ,j Ihere is an old adage in the mining game to the effect that for every ton of ore mined another must be found. Adhearing to this policy at Park City, Utah, the old Silver King Coalition mine has driven over 300 miles of underground workings, some of it to mine orj of course, but much of it seeking out deposits : for continued production. As a re- : suit the property has had about ' 70 years of almost continuous production. pro-duction. : Under present cosis it wouia require re-quire the expenditure of approximately approxi-mately $47,000,000 to duplicate the workings of the Silver King, an interesting figure to contemplate. Moreover, workings of the mine are progressing deeper and deeper into the earth, and the overall expense of operating is becoming greater. The Silver King i3 not an average aver-age mine, it i3 an exception. But, its extensive exploration indicates that future mineral production of Utah must come from deeper and more costly workings. |