Associated Press
A river buoy floats in the Mississippi River as barges and their towboat float past it, Wednesday, Aug. 22, 2012 north of Greenville, Miss. The Dredge Jadwin, a U.S. Army Corps of Engineers vessel is clearing out some of the silt and left over mud and debris from last year's record flood on the Mississippi River and cutting a deeper channel for barges and their towboats to navigate north of Greenville. Coast Guard Capt. William Drelling said Wednesday that authorities would inspect the channel near Greenville,  then reset navigation buoys allowing barge traffic to resume on a limited basis as both federal agencies deal with the continued drought that has lowered the Mississippi River. (AP Photo/Rogelio V. Solis)

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