Survey Staff, Soil <br/><br/>
Soil taxonomy : a basic system of: soil classification for making and interpreting : Soil Surveys/  
Soil Survey Staff 
 - Estados Unidos de América :   Departamento of Agriculture 
 - 754 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CLASIFICACION DE SUELO<br/>VERTISOLES<br/>PERMEABILIDAD
<br/><br/><label>Dewey Class. No.: </label>631.44 S683