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2011 Missouri River flood
Videos
The 2011 flooding event on the Missouri River in the United States was triggered by record snowfall in Rocky Mountains of Montana and Wyoming along with near-record spring rainfall in central and east
Corps of Engineers photo of June 16, 2011, showing the Fort Calhoun nuclear power plant surrounded by flood water
Corps of Engineers photo of June 16, 2011, showing the Fort Calhoun nuclear power plant surrounded by flood water
U.S. Army Corps of Engineers Report on June 18, 2011, predicting that 54,600,000 acre-feet (67.3 km3) of run off would occur above Sioux City in 2011
U.S. Army Corps of Engineers Report on June 18, 2011, predicting that 54,600,000 acre-feet (67.3 km3) of run off would occur above Sioux City in 2011 -- the most in the history of record keeping on the river. It tops the record flow of 49,000,000 acre-feet (60 km3) in 1997.
Oahe Dam release gates discharging floodwater at 150,000 cu ft/s (4,200 m3/s) on June 15, 2011.
Oahe Dam release gates discharging floodwater at 150,000 cu ft/s (4,200 m3/s) on June 15, 2011.
Interchange of I-29 and I-680 north of Council Bluffs, Iowa, looking towards the Mormon Bridge on June 16
Interchange of I-29 and I-680 north of Council Bluffs, Iowa, looking towards the Mormon Bridge on June 16
Sand boil
Videos
Sand or mud boils occur when water under pressure wells up through a bed of sand or dirt. The water looks like it is boiling up from the bed, hence the name. While many boils are temporary and form in
2011 Missouri River flood
…seepage berm to allow water to seep through the levee but hold the levee materials in place. The action came after the Corps reported there were multiple sand boils on the airport side of the levee. On July 3, Lindbergh Road which rings Eppley by the levees was closed so work could continue on 70 relief wells by…
Sand boils that erupted during the 2011 Canterbury earthquake.
Sand boils that erupted during the 2011 Canterbury earthquake.
Attempts to plug a sand boil with sandbags during the 2011 Missouri River floods. Many of the attempts were unsuccessful.
Attempts to plug a sand boil with sandbags during the 2011 Missouri River floods. Many of the attempts were unsuccessful.
Sand boils and a silt-covered street after the 2011 Canterbury earthquake.
Sand boils and a silt-covered street after the 2011 Canterbury earthquake.
Cross section of a sand volcano in County Clare, Ireland
Cross section of a sand volcano in County Clare, Ireland