How to correct your charts the admiralty way. 

 - Second edition. 
 -  The United Kingdom Hydrographic Office.  2004 
 - 48 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>0-7077-1388-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nautical charts.
<br/><br/><label>Dewey Class. No.: </label>M 912.0148 H847 2004