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A dike holding the Columbia River broke, causing a flood that destroyed Vanport, Oregon, U.S., only five years after the city was built.
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Levee
Ridge or wall to hold back water
A levee, dike, dyke, embankment, floodbank, or stop bank is an elevated ridge, natural or artificial, alongside the banks of a river, often intended to protect against flooding of the area adjoining the river. It is usually earthen and often runs parallel to the course of a…Source: Wikipedia (CC BY-SA)
Columbia River
River in the Pacific Northwest of North America
The Columbia River is the largest river in the Pacific Northwest region of North America. The river forms in the Rocky Mountains of British Columbia, Canada. It flows northwest and then south into the U.S. state of Washington, then turns west to form most of the border between…Source: Wikipedia (CC BY-SA)
Vanport, Oregon
Former city in Oregon, U.S.
Vanport, sometimes referred to as Vanport City or Kaiserville, was a city of wartime public housing in Multnomah County, Oregon, United States, between the contemporary Portland city boundary and the Columbia River. It was destroyed in the 1948 Columbia River flood and not…Source: Wikipedia (CC BY-SA)