Show MIDYEAR SPELTER REPORT the united states geological survey department of 0 the interior from returns representing 99 per cent of the output estimates that the production of spelter during the first six months of 1917 was short tons as compared with short tons during the last half of 1916 stocks on hand are estimated at 0 tons as compared with at tile the beginning of the year A large number of retorts about 35 including fourteen complete plants were reported idle june 30 in addition to the retorts engaged in refining prime western metal and in redistilling distilling re zinc ashes the complete report will be ready for publication in about two weeks 0 |