| Reference | {Deposit:: WORLD MINES REGISTER 1976-1977, MILLER FREEMAN PUBLICATIONS,}{Deposit:: E/MJ APRIL 1976, INDI* FIRST PHOSPHATE BENEFICIATION}{Reserve-Resource:: BRITISH SULPHUR CORPORATION, WORLD SURVEY OF PHOSPHATE}{Reserve-Resource:: DEPOSITS, FIFTH ED., LONDON, 1987, 274 PP.} |