9 of 15: A school crossing guard carefully makes her way outside school during a fast moving snow storm Thursday, Feb. 21, 2013, in Springfield, Ill. Blinding snow bombarded much of the nation's midsection causing white out conditions, making major roadways all but impassable and shutting down schools and state legislatures. (AP Photo/Seth Perlman) (AP Photo/ Seth Perlman)

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