Butler B E <br/><br/>
Soil classification for soil survey 

 - Oxford  Oxford University Press          1980 
 - 129p.  cm. 
 - Monographs on soil survey .
<br/><br/> Bib p. 123-26 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural Geography
<br/><br/><label>Dewey Class. No.: </label>U672(J:1), M0