Owen, Oliver S.,  1920- <br/><br/>
Natural resource conservation :  an ecological approach / 
Oliver S. Owen. 
 - 3d ed. 
 - New York :  Macmillan,  c1980. 
 - xi, 883 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0023900202 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources.<br/>Ecology.<br/>Environmental protection.<br/>Conservation of natural resources--United States.<br/>Ecology--United States.<br/>Environmental protection--United States.
<br/><br/><label>Dewey Class. No.: </label>333.720973  / OWN 1980