| Reference | {Deposit:: BRITISH SULPHUR CORP, WORLD SURVEY, 4TH ED, 1980}{Deposit:: SELTRUST ENGINEERING LIMITED, ENGINEERING, GEOLOGY AND COST}{Deposit:: REPORT, 1978}{Deposit:: DMA SERIES 1301 MAP, SHEET NG 36, SCALE 1:1,000,000.}{Deposit:: MINING ANNUAL REVIEW, 1979, P 514}{Deposit:: ENGINEERING AND MINING JOURNAL, 1971, P 74}{Deposit:: MINING MAGAZINE, JAN 1979, P 57 AND 73}{Deposit:: INDUSTRIAL MINERALS, NOV 1976, P 26}{Deposit:: SELTRUST ENGINEERING LIMITED, CONFIDENTIAL REPORT ON WEST}{Deposit:: SEBAIYA PHOSPHATE STUDY}{Deposit:: INDUSTRIAL MINERALS, OCT 1983, P. 13.}{Deposit:: MINING JOURNAL, OCT 5, 1984, P. 243.}{Deposit:: MINING JOURNAL FEB 8, 1985, P. 100.}{Deposit:: INDUSTRIAL MINERALS, APRIL 1985, P. 146.}{Deposit:: BRITISH SULPHUR CORPORATION, WORLD SURVEY OF PHOSPHATE}{Deposit:: DEPOSITS, FIFTH ED., LONDON, 1987, 274 PP.}{Deposit:: INDUSTRIAL MINERALS, JAN 1988, P. 7.} |