Soil Survey Staff <br/><br/>
Keys to soil taxonomy 

 - 11th 
 - United States   Dept. of Agriculture  1999 
 - v,338p.  24cm 
<br/><br/><label>ISBN: </label>9781782662112 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science<br/>Soil taxonomy<br/>Soils
<br/><br/><label>Dewey Class. No.: </label>631.44  / SOI