Weather

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Road salt is loaded into a snow plow truck equipped with a salt spreader at the public works facility in Glen Ellyn, Ill., on Tuesday, Feb. 4, 2014. The Midwest's recent severe winter weather has caused communities to expend large amounts of their road salt supplies. (AP Photo/Andrew A. Nelles)

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Road salt is unloaded from storage at the public works facility in Glen Ellyn, Ill., on Tuesday, Feb. 4, 2014. The Midwest's recent severe winter weather has caused communities to expend large amounts of their road salt supplies. (AP Photo/Andrew A. Nelles)

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Mike Zitzka, street crew leader, parks a snow plow after it was loaded with salt at the public works facility in Glen Ellyn, Ill., on Tuesday, Feb. 4, 2014. The Midwest's recent severe winter weather has caused communities to expend large amounts of their road salt supplies. (AP Photo/Andrew A. Nelles)

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Road salt is loaded into a snow plow truck equipped with a salt spreader at the public works facility in Glen Ellyn, Ill., on Tuesday, Feb. 4, 2014. The Midwest's recent severe winter weather has caused communities to expend large amounts of their road salt supplies. (AP Photo/Andrew A. Nelles)

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Road salt is unloaded from storage at the public works facility in Glen Ellyn, Ill., on Tuesday, Feb. 4, 2014. The Midwest's recent severe winter weather has caused communities to expend large amounts of their road salt supplies. (AP Photo/Andrew A. Nelles)

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Road salt is loaded into a snow plow truck equipped with a salt spreader at the public works facility in Glen Ellyn, Ill., on Tuesday, Feb. 4, 2014. The Midwest's recent severe winter weather has caused communities to expend large amounts of their road salt supplies. (AP Photo/Andrew A. Nelles)

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Road salt in storage at the public works facility in Glen Ellyn, Ill., on Tuesday, Feb. 4, 2014. The Midwest's recent severe winter weather has caused communities to expend large amounts of their road salt supplies. (AP Photo/Andrew A. Nelles)

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Road salt is unloaded from storage at the public works facility in Glen Ellyn, Ill., on Tuesday, Feb. 4, 2014. The Midwest's recent severe winter weather has caused communities to expend large amounts of their road salt supplies. (AP Photo/Andrew A. Nelles)

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Road salt is loaded into a snow plow truck equipped with a salt spreader at the public works facility in Glen Ellyn, Ill., on Tuesday, Feb. 4, 2014. The Midwest's recent severe winter weather has caused communities to expend large amounts of their road salt supplies. (AP Photo/Andrew A. Nelles)