Nautical charts. Columbia River, Oreg.-Wash., Crims Island to St. Helens, topography by Coast and Geodetic Survey in 1937, hydrography by Coast and Geodetic Survey in 1937, supplemented by surveys in channels by U. S. Engineers to 1938; chart 6153. Scale 1:40,000.
Publication Title:
Columbia River, Oreg.-Wash., Crims Island to St. Helens, topography by Coast and Geodetic Survey in 1937, hydrography by Coast and Geodetic Survey in 1937, supplemented by surveys in channels by U. S. Engineers to 1938; chart 6153. Scale 1:40,000.
Display Title:
Nautical charts. Columbia River, Oreg.-Wash., Crims Island to St. Helens, topography by Coast and Geodetic Survey in 1937, hydrography by Coast and Geodetic Survey in 1937, supplemented by surveys in channels by U. S. Engineers to 1938; chart 6153. Scale 1:40,000.