The Port of St. Helens has suffered a second blow in its efforts to expand a marine facility to accommodate oil and coal exports.

The Oregon Land Use Board of Appeals upheld an environmental challenge to its plans to add more than 800 acres to its Port Westward property in Clatskanie on the lower Columbia River.

The decision comes less than a week after the Oregon Transportation Commission rejected one of two grant requests from the port to upgrade the marine terminal at Port Westward.

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