Show tunneling under mountains for ore a h 0 11 R r if 41 vw A I 1 4 pa emphatic testimony that mining industry faces the future with the problem of deep expensive development ego can be had from the experiences of the national tunnel mines company which Is now entering en terina a period of large scale production at its properties in the bingham district after nearly four years of development and the expenditure of nearly the mine is just now be beginning inning to yield ores from great depth years ago the upper levels 0 of the national tunnel which is a consolidation of utah apex and utah delaware properties was virtually worked out large lame deposits deposit sl of low grade ore however were known to exist below the was wati evel teet feet down to the tha toot foot level the expense ot of hoisting the ore aru aad wata to 10 the surface surl ace together with the cost oz ol pumping the water I 1 made mining of the ore prohibitive hibi tive in order to solve this problem ft tra reman ro re man drop a huge drainage and transportation tunnel from fooce on the west or of bingham Bin sham a distance ot of 4 miles to the national tunnel property the tunnel encountered the utah apex shaft at a depth of 2500 feet thereby dial ning a large area ot of the mine and eliminating much ol of the hoisting expense such mining and prospecting Is a far cry from the tha early days ot of western mining when many deposits of valuable ore were found at or near the grassroots grass roots thus the future of mining industry seems to lie in deeper and more exhaustive development of mining districts during the past SO RO years principal mining districts of ringham bingham park city alta and beaver county have yielded in the neighborhood of two billion dol lars worth of nt ore their lives hav have e been much longer than the ordinary mining districts district and ne needless effless to say most or of the easily obtainable ores have mined the future of nt mining should be jealously guarded and encourage encouraged cil as the problems lims are ara mounting with the extraction of each pound of ore |