Detwyler Thomas R <br/><br/>
Man's impact on environment 

 - New York  McGraw Hill U S A       1971 
 - xiii,731p  cm. 
 - McGraw-Hill Series In Geography .
<br/><br/> Glossary p. 701-9 
<br/><br/><label>ISBN: </label>070165920 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human Geography
<br/><br/><label>Dewey Class. No.: </label>U47, L1