Charts. Columbia River, Oreg.-Wash., entrance to Harrington Point, surveys 1868-99, surveys by U. S. Engineers to Nov. 1923; chart 6151. Scale 1:40,000.
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Columbia River, Oreg.-Wash., entrance to Harrington Point, surveys 1868-99, surveys by U. S. Engineers to Nov. 1923; chart 6151. Scale 1:40,000.
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Charts. Columbia River, Oreg.-Wash., entrance to Harrington Point, surveys 1868-99, surveys by U. S. Engineers to Nov. 1923; chart 6151. Scale 1:40,000.