Derry D R <br/><br/>
World atlas of geology and mineral deposits 
Derry D R 
 - New York       John Wiley         1980 
 - 110p.  cm. 
<br/><br/><label>Standard No.: </label>57624 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H1f, M0   CS