Port of Portland's pipeline Dredge Oregon works the Mouth of the Columbia River near Astoria, Oregon, August 9, 2017.

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Port of Portland's pipeline Dredge Oregon works the Mouth of the Columbia River near Astoria, Oregon, August 9, 2017.

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Tags: Mouth of the Columbia River, dredging, Columbia

Photo by: Michael Mathers | VIRIN: 170809-A-TP618-029.JPG

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