ADVANCE FOR USE MONDAY, APRIL 2, 2012 AND THEREAFTER - In this Jan. 30, 2012 photo, corrections officer Roy Limon guards inmates on their way to dinner at the Imperial Valley's Calipatria State Prison in Calipatria, Calif. Limon has been working at the prison since it opened in 1992. Calipatria and another state prison that opened nearby in 1993 employ 2,400 people - a big reason why federal, state and local government agencies account for one in three jobs in the Imperial Valley, even more than farming. Nationwide, government provides only one in six jobs. (AP Photo/Gregory Bull)
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