Soil survey manual. 

 - Calcutta :  Oxford & IBH Publishing co.,  1969. 
 - vii, 503 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>338  338 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Survey --Soil. 
<br/><br/><label>Dewey Class. No.: </label>631.4702 / U3e