Reference | {Deposit:: MINERAL RESOURCES OF THE REPUBLIC OF SOUTH AFRICA, FIFTH EDITION, HANDBOOK 7 ; (IRON AND VANADIUM CHAPTERS); DEPARTMENT OF MINES, GEOLOGICAL SURVEY; 1976}{Deposit:: COAL, GOLD, AND BASE MINERALS OF SOUTHERN AFRICA, 1975, OCTOBER 1975.}{Deposit:: HIGHVELD STEEL AND VANADIUM CORPORATION, 1977, ANNUAL REPORTS.}{Deposit:: HIGHVELD STEEL AND VANADIUM CORPORATION, 1976, ANNUAL REPORTS.}{Deposit:: HIGHVELD STEEL AND VANADIUM CORPORATION,1975, ANNUAL REPORTS.}{Production:: HIGHVELD STEEL AND VANADIUM CORP LTD ANNUAL REPORTS ; HIGHVELD STEEL AND VANADIUM ANNUAL REPORT 1982 ; HIGHVELD STEEL AND VANADIUM ANNUAL REPORT 1983 ; HIGHVELD STEEL AND VANADIUM ANNUAL REPORT - 1984 ; HIGHVELD STEEL AND VANADIUM ANNUAL REPORT - 1985 ; HIGHVELD STEEL AND VANADIUM CORPORATION LIMITED ANNUAL REPORT 1980 ; ANNUAL REPORT - HIGHVELD STEEL AND VANADIUM, 1981 ; HIGHVELD STEEL AND VANADIUM CORPORATION LIMITED, ANNUAL REPORT 1979 ; HIGHVELD STEEL AND VANADIUM CORPORATION LIMITED, ANNUAL REPORT 1978} |