Owen, Oliver S. <br/><br/>
Natural resource conservation 
Oliver S. Owen. 
 - 4th ed. 
 - New York  Macmillan  1985. 
 - xiii, 657 p.  col., ill. 
<br/><br/>Includes bibliographies, glossary and index. 
<br/><br/><label>ISBN: </label>0023901004  35.96 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources<br/>Ecology--United States.<br/>Conservation of natural resources--United States.<br/>Environmental protection<br/>Ecology
<br/><br/><label>LC Class. No.: </label>S938  / .O87 1985