EarthWorks Geospatial Catalog

United States--west coast, Oregon--Washington, Columbia River--John Day Dam to Blalock / Coast Survey.

"Provisional chart." Depths shown by isolines and soundings. Relief shown by hachures. Shipping list no.: 2005-0004-S. "Soundings in feet."
U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Coast Survey ;
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