Butler M D <br/><br/>
Conserving soil 

 - Toronto  D Van Nestrand         1975 
 - x,321p.  cm. 
<br/><br/><label>Standard No.: </label>56237 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Soil conservation<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:1:7, J5