Hudson, Norman. <br/><br/>
Soil conservation. 

 - London :  Batsford,  1971. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0713405600  L.4.50 
<br/><br/><label>LCCN: </label>73886490 
<br/><br/><label>Nat. Bib. No.: </label>B71-30032 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation.<br/>Soil erosion.
<br/><br/><label>LC Class. No.: </label>S623  / .H78 
<br/><br/><label>Dewey Class. No.: </label>631.4/5