Pringles, J. <br/><br/>
British regional geology /  South Wales / 
J. Pringle ;T. Neville George. 
 - London :  H.M. Stationery Off,  1948. 
 - 102 p. ;  illus., maps, plates. ;  25 cm. 
<br/><br/> At head of title: Natural Environment Research Council. Institute of Geological Science. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label>--Wales
<br/><br/><label>LC Class. No.: </label>SPE-B 0666 
<br/><br/><label>Dewey Class. No.: </label>554.29