Williams, Howel <br/><br/>
Volcanic history of the Meseta Central Occidental, Costarica 

 - Berkeley :  University of California Press,  1955. 
 - 64p.  : ill.  ; 26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Volcanoes<br/>Salvador<br/>Geology<br/>Petrology
<br/><br/><label>LC Class. No.: </label>PAM QE524.W52