||U.S. Department of Commerce
||Office of Coast Survey
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Here is the set released by the U.S. Department of Commerce, Office of Coast Survey, it consists of three documents. The first volume "Policies and Procedures" addresses general practices and procedures, topography and hydrography, navigational aids, landmarks, and some other charting information. The second volume provides definitions, symbology, list of charting abbreviations, cartographic orders and memoranda, and miscellaneous references. The last, third, volume is fully dedicated to the digital specifications.