The Manganese Industry of the U.S.S.R. - UNT Digital
is the world's largest producer of manganese ore, its reserves of high-grade ore are be-ing depleted, resulting in the need to import ore in recent years and, in 1987, to con-tract to engage in a joint venturç, that would enable it to import Brazilian ferromanganese. Furthermore, at the same time that high-grade manganese ore reserves
