Sandbags laid out to block the Missouri River are submerged by the rising waters of the Missouri River, in Dakota Dunes, S.D., Wednesday, June 1, 2011. South Dakota officials say progress is being ... more 
Sandbags laid out to block the Missouri River are submerged by the rising waters of the Missouri River, in Dakota Dunes, S.D., Wednesday, June 1, 2011. South Dakota officials say progress is being made on levees being built to protect Dakota Dunes, Pierre and Fort Pierre. less 
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Associated Press | Photo By Nati Harnik
Wed, Jun 1, 2011 6:47 PM EDT