SecretCup

Tuesday, August 10, 2004

Arabia, Najd

The western part of Najd (Nejd, meaning “Highland”), known as Upper Najd, lies within the Arabian shield with an average elevation of 4,000 feet; the eastern part falls within the sedimentary province with the city of Riyadh (Ar-Riyad), near the eastern edge, having an elevation of about 1,950 feet. The principal drainage of Najd consists of a number of eastward-flowing wadi systems that

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