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- Geological Survey (U.S.)74
- Library of Congress. Congressional Research Service65
- Arabian American Oil Company54
- United States49
- United States. Congress. House. Committee on Foreign Affairs. Subcommittee on Europe and the Middle East35
- United States. Department of State35
- ebrary, Inc34
- Saudi Arabia24
- United States. Congress. House23
- Bramkamp, Richard A.22
- Saudi Arabia. Deputy Ministry for Mineral Resources21
- Ramirez, Leon F.20
- Saudi Arabia, author20
- United States. Defense Mapping Agency. Hydrographic/Topographic Center18
- United States. Congress. House. Committee on Foreign Affairs. Subcommittee on Arms Control, International Security, and Science16
- United States. Department of State, issuing body16
- Al-Rasheed, Madawi15
- Brown, Glen F. (Glen Francis), 1911-200115
- United States. International Trade Administration14
- Cordesman, Anthony H.13