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        Human Impact on the Environment: Effects of Removing Dams on the Elwha River

        Learn about changes that have occurred after the removal of dams in the Elwha River in this video from SciTech Now. Aerial photography shows that the Elwha River and the beaches by the mouth of the river have changed dramatically as sediment has begun to flow freely. Now, scientists are looking to see how wildlife has been affected as the environment changes.

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