Show emeka mine stages comeback V V 1 az V 0 za i art I 1 S r N wil el 1 A ar V rp aw ew aul surface ace plant of chief no amine 1 mine at eureka utah where old working yield low grade ores ore tI watering or of the lower levels no 1 nine mine at eureka tall T brodu blought one ot of old metal producers volt cers back into active prodoc the nine mine hag been reopened bethe behe 2250 toot foot level and last year ah was pounds 0 of vital war metal brodu produced ced from below that 11 avels abandoned bando ned years year ago the lower ve a ot of calel the ahlet no I 1 Is an 0 of how price and cost deter mine the extent of the metal reserves ot of a mine a mining district or a state it Is natural that the lower the cost the lower the grade ot of the ore that chat can be mined generally speaking ore reserves have become age progressively lower in grade since mining was first started ac aa lively in the early sixties naturally higher metal prices also make possible the mining ot of lower grade ores but as utah producers are dependent upon a world metal market there ts Is littie they can do to influence the th price of metals under conditions brought about by the war the chief was granted premium price enough to meet the deficit of producing the low grade ores orea lying below the water level hence it can readily be seen that nonferrous non ferrous metal reserves are determined by lost coat and prices the lower that costs are kept the greater will be the states industry and return to people |