Show NATIONS COPPER LEAD AND ZINC the geological survey estimates the total new supply u p of primary refined copper for the year 1921 was about pounds which includes refined copper production from foreign and domestic material as well as ini imported ported refined copper the stocks of refined copper in the hands of domestic refineries on december 31 1921 excluding those in transit as estimated by the refining companie companies S 6 were about pounds the stocks of blister copper on december 31 1921 including material in process in the hands of smelters shelters sm elters in transit to refineries and at refineries were estimated by refining and smelting smelling sm elting corn com panics banies at about pounds the quantity of primary refined copper withdrawn on domestic account during the year was about pounds against pounds withdrawn in 1920 the mine and smelter output of lead in the united states in 1921 each fell off about 20 per cent and the mine and smelter output of zinc each declined nearly 60 per cent utah made an output of about tons of lead a decrease from tons in 1920 the recoverable zinc content of ore mined in 1921 was about tons compared with tons the year before and tons in 1919 the output of the eastern states was about tons that of the central states about tons and of the western states about tons compared with and respectively in 1920 imports of zinc in ore decreased from tons in 1920 to about 2700 in 1921 1 most of which came from mexico |