Symbols and abbreviations used on  admiralty charts: Chart 5011. 

 - Third edition. 
 - 75 pages. :  ill. maps ;  30 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>978-0-70-774-0485 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nautical charts--Symbols.