Drought threatens to close Mississippi River to barges, grain shippers

Thursday, November 29, 2012 | 8:32 p.m. CST

ST. LOUIS — After months of drought, companies that ship grain and other goods down the Mississippi River are being haunted by a potential nightmare: If water levels fall too low, the nation's main inland waterway could become impassable to barges just as the harvest heads to market.

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