Geographer, The (1970). Kuwait – Saudi Arabia Boundary(PDF). USA State Department; Bureau of Intelligence and Research; Office of the Geographer. p. 2. Archived from the original(PDF) on 2019-06-07. Retrieved 2012-01-15.
web.archive.org
Geographer, The (1970). Kuwait – Saudi Arabia Boundary(PDF). USA State Department; Bureau of Intelligence and Research; Office of the Geographer. p. 2. Archived from the original(PDF) on 2019-06-07. Retrieved 2012-01-15.