Cadair Idris & Llyn Tegid : sheet OL 23 : 1:25,000  [Map] 

 -  Ordnance Survey  2019 
 - Explorer .
<br/><br/><label>ISBN: </label>9780319263594 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cadair Idris - Maps<br/>Llyn Tegid - Maps
<br/><br/><label>Dewey Class. No.: </label>912.42