Reference | {Deposit:: BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON}{Deposit:: E&MJ, INTERNATIONAL DIRECTORY OF MINING, 1979, 1981, NEW YORK}{Deposit:: British Sulphur Corp. Ltd., 1980: World Survey Of Phosphate Deposits, 4th Ed., LondonBritish Sulphur Corp. Ltd., 1980: World Survey Of Phosphate Deposits, 4th Ed., London}{Deposit:: Phosphorus & Potassium, No.97, Sept./Oct., 1978Phosphorus & Potassium, No.97, Sept./Oct., 1978}{Production:: PA1,PA2) WORLD MINING, WORLD MINES REGISTER, 1981-82} |