Soil taxonomy  : a basic system of a soil classification for making and interpreting soil surveys 

 - Washington :  S.C.S.,  1975 
 - 754 p.  : ilus. ; gráfs. 
 - USDA. Agriculture handbook  ; 436 .
 - USDA Agriculture handbook  ; 436 .
<br/><br/><label>LCCN: </label>59856 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos--Clasificación.
<br/><br/><label>Dewey Class. No.: </label>631.44  / E8