Erickson, Jon <br/><br/>
Rock formations and unusual geologic structures: exploring the earth's surface 

 - ed. rev. 
 - New York  Facts on File  2001 
 - 319 p.  ilus. 
 - The Living Earth .
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOLOGIA<br/>GEOMORFOLOGÍA
<br/><br/><label>Universal Decimal Class. No.: </label>551.4/E75/2001