Rhondda and Merthyr Tydfil / Merthyr Tudful :  sheet 166; 1:25,000  [Map] 

 -  Ordnance Survey  2017 
 - Explorer .
<br/><br/><label>ISBN: </label>9780319305775 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rhondda - Maps<br/>Merthyr Tydfil - Maps
<br/><br/><label>Dewey Class. No.: </label>912.42