Kelley, Hubert W. <br/><br/>
Keeping the land alive  soil erosion - its causes and cures 
Hubert W. Kelley 
 - Rome :  FAO,  1983. 
 - viii, 79 p.  ill. 
 - FAO soils bulletin  50 .
<br/><br/><label>ISBN: </label>925101342X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil erosion.<br/>Soil conservation.