Show bonab ning bining day gope MINE PORTAL atu NN E 1 I ORE cc C cross section of a mine which s sorves arves to why mins min s mutt must turn to lower grade ore dunna times of high 1 metal priam if the low I 1 grade rade Is left in the mine when bettt gratis ores orea are mined it will probably remain there forever contrary to the general beliet belief higher metal prices do not mean the return ot of bonanza flays days for the tha metal mining industry the bonanza bellanza d dyb ays aro are gone as mines operating low grade ores are looking toward the tha future rather than gouging a small high grade pocket tor for a temporary pi oil t since the war production board announced that a prem premium lum price 17 cents centa tor for copper 11 cents lor for zinc and 9 cents a pound tor for lend in excess of quota produced in 1941 many were of the opinion that the min biln s ot of utah itin would reap a rich harvest looking at the situ lion patriot leally the mines have seized the opportunity to produce lower grade ores that were not under the old price ores 01 es on which the profit la Is small or nil they have taken the opportunity to sand in more low ims grade along with the higher grado grad under this policy they are serving the nation to the best advantage taking as much ore as as r s sible bible in the quickest possible way without regard tor for increasing the net profit moreover this preserves the ufa life of the mine and perpetuates an industry for or the state and the nation silver king coalition at park city immediately expanded the scope ot of its operations to include more of rd ltd lower grade ores and patk park utah consolidated in the tha same district immediately reopened the old ontario drain tunnel a portion of 0 the mine which bad been closed down tor for years the gintic tintic standard began mining more ot of its marginal ores others have brought or are bringing low grade grada units into production |