Bunce A C <br/><br/>
Economics of soil conservation 

 -  1948 
 - 227p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J:1:7), H8;J0