Charts. Columbia River, Oreg.-Wash., Harrington Point to Grims Island, surveys 1868-87. surveys by U. S. Engineers to May, 1926; chart 6152. Scale1:40,000.
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Columbia River, Oreg.-Wash., Harrington Point to Grims Island, surveys 1868-87. surveys by U. S. Engineers to May, 1926; chart 6152. Scale1:40,000.
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Charts. Columbia River, Oreg.-Wash., Harrington Point to Grims Island, surveys 1868-87. surveys by U. S. Engineers to May, 1926; chart 6152. Scale1:40,000.