Introduction to geology 1 
University of Colorado 
 - New York  McGraw-Hill  2008 
 - 408 p. : ill. 28 cm 
<br/><br/><label>ISBN: </label>9780256601404 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>550 MCG