| Reference | {Deposit:: BLEACKLEY, D. 1964. BAUXITES AND LATERITES OF BRITISH GUIANA}{Deposit:: GEOLOGICAL SURVEY OF BRITISH GUIANA, BULL. NO. 34.}{Deposit:: VELASQUEZ, JOSE DARIO H., 1972. LIMITS OF ECONOMIC FEASIBILI}{Deposit:: BAUXITE IN WESTERN COLUMBIA. THESIS DEPT. OF MINERAL ECONOMI}{Deposit:: COLO. SCHOOL OF MINES, GOLDEN. GEN. INFO. APPL. TO GUIANA MI}{Reserve-Resource:: MINING ANNUAL REVIEW-1992.} |