Show Excessive Mining Costs Discussed Grass Valley Cal The Cal The board of governors of 01 the western division of ot the American Mining congress convened convened convened con con- Monday here for a two day conference R. R E. E Tally TaUy Jerome Ariz president and W. W B B. B Gohring Phoenix Ariz secretary were in charge The problem of excessive costs in mining will Viti be prominent Inthe in inthe inthe the discussion Excursions Excursion into some of 01 the deeper mines of this district were conducted 1 ic ick fc k |