| References: |
- Deposit:: STAFF, MINING MAGAZINE, 1969, PHOSPHATE IN MORROCO: JUNE
- Deposit:: 1969, VOL. 120, NO. 6.
- Deposit:: BRITISH SULPHUR CORPORATION, WORLD SURVEY OF PHOSPHATE
- Deposit:: DEPOSITS, FOURTH ED., LONDON, 1980, PP. 134-141.
- Deposit:: PHOSPHOROUS & POTASSIUM, NO. 105, JAN/FEB 1980.
- Deposit:: PHOSPHOROUS & POTASSIUM, NO. 106, MAR/APR 1980, PP. 34-43.
- Deposit:: E & MJ, JULY 1980.
- Deposit:: PHOSPHOROUS & POTASSIUM, NO. 112, MAR/APR 1981, PP. 19-21.
- Deposit:: DEPOSITS, FIFTH ED., LONDON, 1987, PP. 104-105.
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