Guidelines for soil profile description 

 - Second edition 
 - Rome :  Food and Agriculture Organization of the United Nations,  1977 
 - 66 pages :  no illustrations ;  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil profiles<br/>Soils --Composition
<br/><br/><label>LC Class. No.: </label>S592.14 G85