Smith, Guy Harold,    1895- ed. <br/><br/>
Conservation of natural resources /  
edited by G. H. Smith. Contri butors: Charles A. Dambach--- [et-al]. 
 - 2nd ed. 
 - New York :    Wiley,    [1958]. 
 - 474 p. :    ill. ;    25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Natural resources -- United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/> United States -- Economic conditions.
<br/><br/><label>Dewey Class. No.: </label>333.72 SMI