Wokers fill sand bags at Dakota Valley High School Saturday, June 4, 2011 in McCook Lake, S.D. The U.S. Army Corps of Engineers says the Missouri River has surpassed flood stage in the South Dakota ... more 
Wokers fill sand bags at Dakota Valley High School Saturday, June 4, 2011 in McCook Lake, S.D. The U.S. Army Corps of Engineers says the Missouri River has surpassed flood stage in the South Dakota capital and its sister city due to increased releases from a bloated dam five miles upstream. less 
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Associated Press | Photo By The Sioux City Journal, Jim Lee
Sat, Jun 4, 2011 2:46 PM EDT