| Reference | {Deposit:: BRITISH SULPHUR CORP., WORLD SURVEY OF POTASH RESOURCES,}{Deposit:: 3RD EDITION, 1979.}{Deposit:: P&K MAGAZINE, BRITISH SULPHUR COP.}{Deposit:: P&K #42, JUL/AUG 1969}{Deposit:: P&K #48, JUL/AUG 1970}{Deposit:: P&K #70, MAR/APR 1974}{Deposit:: P&K #90, JUL/AUG 1977}{Deposit:: P&K #116, NOV/DEC 1981}{Deposit:: P&K #119, MAY/JUN 1982}{Deposit:: P&K #124, MAR/APR 1983}{Deposit:: WORLD BANK WORLD TABLE, SECOND EDITION, 1980.}{Deposit:: INTERNATIONAL FINANCIAL STATISTICS, AUG. 1981, MAY 1983.}{Deposit:: PHOSPHORUS AND POTASSIUM, NO. 119, MAY/JUNE 1983.} |