Tim Black‘s cell phone dings, signaling the time to reverse sprinklers spitting water across a pie-shaped section of grass that will provide pasture for his cattle. For decades, the Texas Panhandle was green with cotton, corn and wheat. Wells drew a thousand gallons (3,785 liters) a minute from the seemingly bottomless Ogallala aquifer, allowing farmers to thrive despite frequent dry spells and summer heat.
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Farmers restore native grasslands as groundwater disappears