On Tuesday, June 7, 2011, the Oahe Dam north of Pierre, S.D., began releasing 150,000 cubic feet of water per second to match levels released by reservoirs further up the Missouri River System. The ... more 
On Tuesday, June 7, 2011, the Oahe Dam north of Pierre, S.D., began releasing 150,000 cubic feet of water per second to match levels released by reservoirs further up the Missouri River System. The immense power of that much water flowing into the stilling basin dwarfs the photographer at the bottom left of the photo. (AP Photo/Capital Journal, Cindy Bahe) less 
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Associated Press | Photo By Capital Journal, Cindy Bahe
Tue, Jun 7, 2011 1:11 PM EDT