Letter from Gill Clements to B. Nabi, July 31, 1980. Letter from Ben Gill Clements, President of SEDCO, to B. Nabi, Algerian Minister of Petroleum and President Director General of SONATRACH, regarding the sell of SONATRACH's interest in ALFOR. The letter references a February 15, 1980 letter from Gill Clements regarding the dissolution of ALFOR.