Cunningham, William P.  <br/><br/>
Principles of environmental science : inquiry and applications  
/ William P. Cunningham, Mary Ann Cunningham. 
 - 7th ed.. 
 - New York  McGraw-Hill  c2013. 
 - v. (various paging)bill. (chiefly col.), col. maps  28cm 
<br/><br/> Includes index p.401 - 428 
<br/><br/><label>ISBN: </label>9780073532516  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences--Textbooks
<br/><br/><label>Dewey Class. No.: </label>363.7 CUN 2013