Reference | {Deposit:: THE BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON}{Deposit:: INDUSTRIAL MINERALS, NO.164, MAY 1981, P.61 NEW YORK}{Deposit:: The British Sulphur Corp. Ltd., 1980: World Survey Of Phosphate Deposits, 4th Ed., LondonThe British Sulphur Corp. Ltd., 1980: World Survey Of Phosphate Deposits, 4th Ed., London}{Deposit:: Industrial Minerals, No.164, May 1981, P.61 New YorkIndustrial Minerals, No.164, May 1981, P.61 New York} |