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Carefully Deconstructing Dams in Washington State.

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Carefully Deconstructing Dams in Washington State.

Environment

Carefully Deconstructing Dams in Washington State.

Carefully Deconstructing Dams in Washington State.

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  • <iframe src="https://www.npr.org/player/embed/5033511/5033512" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Scientists are trying to figure out how best to remove two large, century-old dams on the Elwha River in Washington state. Removing a dam, especially a big one, is not simple. It can release huge amounts of sediment and actually worsen the river's ecology. These are the largest dams ever slated for removal in the United States.

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