Show low grade ore becomes metal t 4 ki k kt y s ft w time was waa when hen mining was waa regarded as a boom industry overnight men became wealthy and overnight mushroom camps sprang up tip in tile hills and yates of the old did west Ati alnora nors gamblers and speculators cula tors followed the cry ot of strike they gleaned the high grados and roa reaped ped a rich harvest but the high grades did not last ney never navor do and many of the ghost camps with their scarred hill halli will give muto testimony 0 this mining has outlived the economy of th the ehigh high grados grades and has entered into tin an era of 0 low grade ores orea today mining la is a 0 problem ot of salvaging what la Is left and probing dbent and farther into the unknown below the earths crust to ond find more today mining calls calla forth even greater courage greater knowledge and greater sacrifice |