Hudson N W  1924 <br/><br/>
Soil conservation / 
Norman Hudson. 
 - Fully rev. and updated 3rd ed. 
 - London :  Batsford,  1995. 
 - 391 p. ;  22 cm. 
<br/><br/> Previous ed.: 1981. 
<br/><br/><label>ISBN: </label>0713473533 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation<br/>Soil erosion<br/>Soil management
<br/><br/><label>LC Class. No.: </label>S623 
<br/><br/><label>Dewey Class. No.: </label>631.45