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Nubian Sandstone Aquifer System Wikipedia

Nubian Sandstone Aquifer System

The Nubian Sandstone Aquifer System NSAS is the worlds largest known fossil water aquifer system. It is located underground in the Eastern end of the Sahara Desert and spans the political boundaries of four countries in northeastern Africa. NSAS covers a land area spanning just over two million km 2, including northwestern Sudan, northeastern Chad, southeastern Libya, and most of

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