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Related Clues:
- Syndicate since 1960
- Oil moguls' org.
- Assn. with many Gulf members
- Biblical lands
- Bloc with barrels, briefly
- Energy cartel
- *Mideast ... pipeline ... embargo
- Letters from the Persian Gulf?
- Crude gp.?
- Phoenicia locale
- Grp. full of gas
- NYSE influence since 1960
- Crude grp.
- Barrel-producing grp.
- Iran is a mem. of it