Soil science simplified 
Soil science simplified 
 - 6th Ed.  "vii, 260 p. : ill.; maps ; 24 cm. ;hbk." 
 - Hoboken  "John Wiley & Sons, Inc."  2016 
<br/><br/><label>ISBN: </label>9781118540695 
<br/><br/><label>Dewey Class. No.: </label>631.4 EAS  / 22.631.4 EAS