| Reference | {Deposit:: METALS SOURCEBOOK, ITEM A4458, SEPT. 24,1973.}{Deposit:: E/MJ, APRIL 1975.}{Deposit:: E/MJ, JAN. 1978, P.73.}{Deposit:: DE VILLIERS, J. THE MANGANESE DEPOSITS OF THE UNION OF SOUTH}{Deposit:: AFRICA, GEOL.SURVEY OF S.A., HANDBOOK NO.2, PRETORIA,}{Deposit:: 1960, P.67.} |