| Show V k LE LEU D F COMING the rapid depletion of the worlds lead supplies with the failure to die dis rover over new ore bodies Is 5 likely to cre ere ate a lead famine and to force the development of the complex lead sul ul chur copper coppet zine ore ores treatment has lonk been a metallurgical al problem tate state investigator of the state school of anes university of utah and the federal Depart department merit of the interior in bulletin 14 just issued by the first named institution the worlds future su apply ply of load lead it is asserted lie lies tit tied up in these cora plex ore ores of which aich the rocky mount am wn district haa hai more than its share |