Owen, Oliver S. <br/><br/>
Natural Resource Conservation : An Ecological Approach / 
Oliver S. Owen 
 - 5th ed 
 - New York :  Macmillan,  1990 
 - 538 p :  ill 
<br/><br/><label>ISBN: </label>002390111x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection--United States.<br/>Environmental protection.<br/>Conversation of natural resources.<br/>Ecology.
<br/><br/><label>LC Class. No.: </label>S938  / O87 N5 1990