miércoles, 11 de julio de 2012

With 1 of 2 massive concrete dams demolished, fish begin return to ... - Washington Post

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With 1 of 2 massive concrete dams demolished, fish begin return to ...

Washington Post


SEATTLE â€" Scientists knew ocean-going fish would eventually return to the Elwha River on Washington state's Olympic Peninsula, once two massive concrete dams were torn down. They just didn't think it would happen so soon.



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