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The ogallala aquifer is one of the world's largest aquifers, which are layers of underground rock containing water that may be tapped for human use. Located under portions of eight U.S. states, it is centered under the Great Plains region, notably the high plains of Texas, New Mexico, Nebraska, Kansas, and Oklahoma, and covers around 174,000 square miles. Use of the aquifer began in earnest at the beginning of the 20th century; subsequently, depletion of the water resource has become considerable as the usage of aquifer water now exceeds the ability of natural sources of rainwater to replenish it. This leads to three significant negative outcomes: First, the water resource will in due course be exhausted; second, the ground above the aquifer will begin to ...

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