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

 - 2nd ed. 
 - London   Batsford Academic and Educational  1981 
<br/><br/><label>ISBN: </label>0 71344708 7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation.;Soil erosion.
<br/><br/><label>Dewey Class. No.: </label>631.4 HUD