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In this Aug. 3, 2012 photo, Tony Frost, of Frost Farms, surveys a pond in the cattle pasture that serves as the water source for his cattle that has nearly dried up in Tallula, Ill. After months of drought, the central Illinois creeks and ponds that the 300 cows and calves drink from on the farm are dry or close to it. Frost has to buy and haul water, about 4,000 gallons a day, split up in four trips to different pastures. (AP Photo/Seth Perlman)

U.S. drought crisis

Triple-digit temperatures and weeks without rain withered and destroyed many crops in the Midwest, sending commodity soybean and grain prices soaring in 2012.