Hudson, N. <br/><br/>
Soil conservation 
/by Norman Hudson 
 - London  B T Batsford  1971 
 - 320 pages 
<br/><br/> Include index,appendix and references<br/> 
<br/><br/><label>ISBN: </label>713405622 
<br/><br/><label>Dewey Class. No.: </label>631.45  / HUD