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Symbols, Abbreviations & Terms used on Nautical Charts
NOAA releases new edition of nautical chart symbol guide
U.S. Office of Coast Survey - National Oceanic and Atmospheric ...
How to Read a Nautical Chart: 15 Steps (with Pictures) - wikiHow
Chart no. 1: United States of America nautical chart symbols and ...
U.S. Chart 1 Nautical Chart Symbols Abbreviations & Terms
New tips for understanding nautical chart symbols
Understanding Navigational Chart Symbols & Abbreviations
Nautical chart - Wikipedia