| http://www.w3.org/ns/prov#value | - Related ContentView Photo Extreme drought conditions have spread in several US Midwest states, as corn and soybean crops wither and food prices rise in the worst dry spell in decades.Nearly two-thirds of the lower 48 states - not including Alaska and Hawaii - is experiencing some drought, according to the US Drought Monitor.More than half of all US counties have been declared natural disaster area
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