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BUTTONWILLOW, CA - APRIL 16:  A truck passes before the setting sun on April 16, 2009 north of Buttonwillow, California. Central Valley farmers and farm workers are suffering through the third year of the worsening California drought with extreme water shortages and job losses. The office of California Governor Arnold Schwarzenegger predicts Central Valley farm losses of $325 million to $477 million and total losses for crop production and related business to be between $440 and $644 million. 16,200 to 23,700 full-time jobs are expected to be lost and food prices to rise nationwide.  (Photo by David McNew/Getty Images)
BUTTONWILLOW, CA - APRIL 16:  A truck passes before the setting sun on April 16, 2009 north of Buttonwillow, California. Central Valley farmers and farm workers are suffering through the third year of the worsening California drought with extreme water shortages and job losses. The office of California Governor Arnold Schwarzenegger predicts Central Valley farm losses of $325 million to $477 million and total losses for crop production and related business to be between $440 and $644 million. 16,200 to 23,700 full-time jobs are expected to be lost and food prices to rise nationwide.  (Photo by David McNew/Getty Images)

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