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Stretching 174,000 square miles across the High Plains, bringing life to fields of corn, cotton and wheat, lies the vast geologic resource known as the Ogallala Aquifer.
The largest freshwater aquifer in the world, the Ogallala has been an entire generation’s primary source for agricultural and public groundwater in eastern Colorado and six Great Plains states. Ninety percent of its pumped water is used for irrigation, making a fifth of the annual U.S. agricultural harvest possible, and helping support 30% of livestock produced in the nation.
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