Conversation of natural resources / 
edited by Guy-Harold Smith ...[et al.] 
 - New York :  John Wiley,  1955. 
 - xii, 552 p. :  ill. ;  24 cm. 
<br/><br/> Include index. 
<br/><br/>330  330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources.
<br/><br/><label>Dewey Class. No.: </label>333.72973 / S57c