Manganese. Utilization of Three Kids manganese ore in production of electrolytic manganese: 1, Mining and electrolytic reduction of ore from Three Kids manganese mine, Clark County, Nov., by Glenn L. Allen, J. H. Jacobs, and J. W. Hunter [with bibliography and sources of information]; 2, Acceptibility of electrolytic manganese to steel industry, by R. T. C. Rasmussen and F. Sillers, jr.