Dasmann, Raymond Fredric,  1919- <br/><br/>
Environmental conservation. 

 - 4th edition 
 - New York,  Wiley  [1959]reprinted 1976 
 - 307 p.  illus.  24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>ISBN: </label>0471196029 
<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.
<br/><br/><label>Dewey Class. No.: </label>333.9516  / DAE 1976