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Restoring Migratory Fish Passage in the Chesapeake Bay Watershed

Published: February 23, 2004

Over the past two centuries numerous mill dams, hydroelectric dams and small blockages were constructed, which prevented fish throughout the Bay watershed from reaching their natal rivers. Migratory fish populations consequently suffered severe declines. In recent years many of the largest blockages have been breached or removed; however, many small dams and blockages remain.

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