Principles of geology / 
James Gullily, 
 - San Francisco, California.  W.H Freeman & Company.  1957. 
 - viii, 631 p. : 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>551  / GIL