Bennet, Hugh Hammond  <br/><br/>
Soil conservation 

 - London  McGraw-Hill  1939 
 - 993 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil erosion<br/>Soil management
<br/><br/><label>Dewey Class. No.: </label>631.45  / B439s 1939