Nautical charts. Columbia River, Oreg.-Wash., Harrington Point to Crims Island, surveys 1936, surveys by U. S. Engineers to Sept. 1937; chart 6152. Scale 1:40,000.
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Columbia River, Oreg.-Wash., Harrington Point to Crims Island, surveys 1936, surveys by U. S. Engineers to Sept. 1937; chart 6152. Scale 1:40,000.
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Nautical charts. Columbia River, Oreg.-Wash., Harrington Point to Crims Island, surveys 1936, surveys by U. S. Engineers to Sept. 1937; chart 6152. Scale 1:40,000.