| Reference | {Deposit:: BATTELLE INSTITUTE.WORLD MARKET FOR FLUORINE MINERALS AND}{Deposit:: CHEMICALS.JUNE 1973.GENEVA,SWITZ.PP.A93,A-99.}{Deposit:: LIST OF OPERATING MINING CONCERNS IN THE REPUBLIC OF S.}{Deposit:: AFRICA AS RECORDED BY THE GOVT.MINING ENGINEER ON THE}{Deposit:: 1ST JAN.,1976.GOVT.MINING ENGINEER.BOX 1132.JOHANNES-}{Deposit:: BURG.1977.P.31.}{Deposit:: DMA SERIES 1501.SHEET SG35-3.} |