Detwyler, Thomas R., 1938-  Detwyler, Thomas R., 1938- <br/><br/>
Man's impact on environment 
[compiled by] Thomas R. Detwyler. 
 - New York,  McGraw-Hill  [1971] 
 - McGraw-Hill series in geography .
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0070165920 
<br/><br/><label>LCCN: </label>78139551 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Man -- Influence on nature.--Man -- Influence on nature.<br/>Pollution.
<br/><br/><label>LC Class. No.: </label>GF75  / .D48 
<br/><br/><label>Dewey Class. No.: </label>500.1