British regional geology   The Welsh Borderland 

 - 3rd ed. 
 - London  Her Majesty's Stationery Office  1971 
 - xi, 118p.  Illustration  24 cm x 14.5 cm  with two plates 
<br/><br/><label>ISBN: </label>118801228 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology<br/>Great Britain - Welsh borders
<br/><br/><label>Dewey Class. No.: </label>554.24  / NER