Dasmann, R. F.  1919- <br/><br/>
Environmental conservation / 
by Raymond F. Dasmann 
 - 2nd ed. 
 - New York :  Wiley,  1968 
 - xiii, 375 p. :  ill., maps ;  24 cm. 
<br/><br/>Bibliography: p. 349-364 
<br/><br/><label>ISBN: </label>0471196037 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources<br/>Ecology<br/>Human ecology<br/>Conservation of natural resources--United States<br/>Ecology--United States<br/>Human ecology--United States