U.S. Chart No. 1: Symbols, Abbreviations and Terms used on Paper and Electronic Navigational Charts, 12th edition: National Oceanic and Atmospheric Administration, National Imagery and Mapping Agency: 9781937196974: Amazon.com: Books
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U.S. Chart No. 1 - 13th Edition: Symbols, Abbreviations and Terms used on Paper and Electronic Navigational Charts: NOAA: 0857441005756: Amazon.com: Books
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It is wise to be "symbol minded!" — Nautical Chart Wallpaper | Nautical chart, Chart, Einstein