Ayres Q C <br/><br/>
Soil erosion and its control 

 -  1936 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>56003 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:1:1, G6