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aquifer
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aquifer

A body of rock through which appreciable amounts of water can flow. The rock of an aquifer must be porous and permeable (full of interconnected holes) so that it can conduct water. Aquifers are an important source of fresh water, for example for drinking and irrigation, in many arid areas of the world, and are exploited by the use of artesian wells.

An aquifer may be underlain, overlain, or sandwiched between less permeable layers, called aquicludes or aquitards, which impede water movement. Sandstones and porous limestones make the best aquifers.



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He has explicitly ruled out dismantling the large West Bank settlements and the return of East Jerusalem, which means that Israel will take over nearly 10 percent of the West Bank, including the best agricultural land and the major water acquifers.
The Gaza settlements may go, but the occupation remains by Marshall, Rachelle / Washington Report on Middle East Affairs
) to drill uranium mines and operate processing plants at Church Rock and Crownpoint, New Mexico, east of Shiprock: This so-called leach mining will not involve sub-surface workers, but it is very water-intensive, and the Navajo worry it will pollute their acquifer.
Toxic targets: polluters that dump on communities of color are ... by Motavalli, Jim / E
"Whether a drinking water acquifer has been contaminated has not been confirmed," she said.
LAX users begin cleanup of water contamination by Mullen, Liz / Los Angeles Business Journal
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