Longwell, Chester R. <br/><br/>
A textbook of geology. 

 - 2nd ed.  
 - New York :  Wiley,  1947. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>55