Admiralty symbols and abbreviations used on paper charts : NP5011 

 - 8th ed. 
 - UK  UK Hydrographic Office  2020 
 - 78p. 
<br/><br/><label>ISBN: </label>9780707746210 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrography<br/>Aids to navigation and services<br/>TOPOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>623.8922  / ADM