Geological magazine  : Vol. 74 Iss. 1-12 Year. 1937 

 - London  Dulau & Co., Ltd  1937 
 - [V.P.]  ill.  21cm x 14cm  BJ 
 - 12 
<br/><br/><label>ISSN: </label>00167568 13594656 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth science
<br/><br/><label>Dewey Class. No.: </label>550  / GEO