United States--west coast, Oregon--Washington, Yaquina Head to Columbia River

U.S. Coast and Geodetic Survey

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  • "LORAN-C overprinted."
  • Depths shown by isolines and soundings.
  • Relief shown by hachures and spot heights.
  • "Soundings in fathoms."
  • "For offshore navigation only."
  • Inset: Netarts Bay. Scale 1:30,000.
  • Includes source diagram and tidal information.

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