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Oregon Field Guide:Columbia River Toxins Season 24 Episode 2409

Oregon Field Guide:Columbia River Toxins Season 24 Episode 2409

The mid-Columbia River, above Bonneville Dam, has never been tested extensively for contamination until now. Oregon’s Department of Environmental Quality conducted one of its largest surveys and found the middle river shares many of the same contaminants as the lower river.

PBS2013年1月30日

Columbia River Fishing

Epic Columbia River Fishing Trip!

Epic Columbia River Fishing Trip!

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Columbia River Sturgeon Fishing

Columbia River Sturgeon Fishing

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Fishing the Columbia River in British Columbia

Fishing the Columbia River in British Columbia

2011年2月23日

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Aerial view of landslide near Dodson in the Columbia River Gorge

Aerial view of landslide near Dodson in the Columbia River Gorge

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Columbia River: Great river of the West

Columbia River: Great river of the West

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Historic Columbia River Highway State Trail

Historic Columbia River Highway State Trail

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Columbia River Gorge

Hiker critically injured after fall in Columbia River Gorge

Hiker critically injured after fall in Columbia River Gorge

Exploring waterfalls of the Columbia River Gorge | PEAK NORTHWEST: EPISODE 9

Exploring waterfalls of the Columbia River Gorge | PEAK NORTHWEST: EPISODE 9

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Hillsboro woman falls to death hiking in Columbia River Gorge

Hillsboro woman falls to death hiking in Columbia River Gorge

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