Show COST Of PRODUCING COPPER INCREASING i iThe iI iI I I The cost of at producing copper varies according to conservatism or lack of Itin it itin I in the accounting methods of ot the vanous various various vari van ous mining companies Some put into operating account liberal charges changes for lor upkeep of ot property while others in their anxiety to expand net earnings are prone to capitalize all al new constructIon construction con coil or ot and even a good portion porton what might be considered normal de depreciation tie tie- charge Repeated efforts have be been n made to arrive at an average cost of ot produCtion production tion ton of ot the red metal producers of ot this country and the figures are close to 10 cents a pound This does not tale take hit into account any depletion of ore re reserves reserves reserves re- re serves mid and nd does not represent a a. fair allowance for tor property upkeep Theold Theold The Theold old vein mines are showing an advance cost per unit of ot output This is being offset in some degree by the revolutionary revolutionary treatment methods and metallurgical metallurgical metal metal- discoveries of ot the past two or larger recovery recovery recovery three years by which a ery is made The porphyry mines operating I on a large basis are producing about pounds annually and are making maltIng malt male ing their copper at a cost of of about 8 2 2 cents a pound Wages in most of ot the tl camps amps have been put on a sliding scale scaleS whereby wages are Increased as the price of ot copper advances above 15 cents Broadly speaking the higher wages now being paid are equal to 4 cent per pound of ot output |