Walther, John. <br/><br/>
Earth's natural resources / 
John V. Walther. 
 - Burlington, MA :  Jones & Bartlett Learning,  c2014. 
 - xxii, 428 p. : 
<br/><br/><label>ISBN: </label>9781449632342 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources.
<br/><br/><label>Dewey Class. No.: </label>333.7  / Ea