The spring of 2011 brought the highest water levels since the flood of 1952 and the greatest runoff volume since the Corps of Engineers began keeping records in 1898.
To view comparison photos along the Missouri National Recreational river, click on the maps or text links below.
Did You Know?
Before the 1950s, the Missouri River carried an average of roughly 140 million tons of sediment per year past Yankton. After closure of the dams in the 1960s, an average of roughly 4 million tons per year moved past the same location.