Fagan, John J. <br/><br/>
The earth environment / 
John J. Fagan 
 - Englewood :  Prentice-Hall :  1974 
 - 231 p. :  ill. ;  23 cm. 
<br/><br/>Includes indexes and bibliographical 
<br/><br/><label>ISBN: </label>0132227525 
<br/><br/><label>LCCN: </label>73-010067 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences<br/>Environmental protection