Chart Number One is essential to correct and accurate use of nautical charts. More than a chart, it is a book that defines the symbols, abbreviations and terms

As in previous editions, the symbols used on paper nautical charts produced by NOAA and the NGA and digital raster representations of those charts, such as NOAA

The essential reference tool for reading maps, published by the Coast Guard, is now available to boaters in an attractive, colorful edition that includes import

New- 12th Edition of U.S. Chart No. 1, Symbols, Abbreviations and Terms used on Paper and Electronic Navigational Charts Please read the following information r

Chart No. 1 contains a description of the symbols, abbreviations and terms that appear on nautical charts produced by the National Imagery and Mapping Agency, t