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Pacific lamprey struggle to migrate past the Bonneville Dam. A new fish ladder will helpA new $8 million project at the Bonneville Lock & Dam aims to make it easier for Pacific lamprey to migrate along the Columbia River. The project, currently under construction on the Washington ...
BONNEVILLE DAM — The U.S. Army Corps of Engineers is gutting and rebuilding a large section of Bonneville Dam’s fish ladder to make it easier for Pacific lamprey to pass the dam as they return ...
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