Pocock, R. W. <br/><br/>
British regional geology :  the welsh borderland / 
R. W. Pocock. 
 - London :  Her Majesty's Stationery Office,  1948. 
 - 82 p. :  ill ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Wales
<br/><br/><label>LC Class. No.: </label>SPE-B 0668