Owen, Oliver S.,  1920- <br/><br/>
Natural resource conservation :  an ecological approach / 
Oliver S. Owen 
 - New York :  Macmillan,  [1971] 
 - xii, 593 p. :  ill., maps ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 09.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources--United States<br/>Ecology--United States
<br/><br/><label>Dewey Class. No.: </label>333.720973