Ayres, Quincy Clauds <br/><br/>
Soil erosion and its control  

 - New York  McGraw-Hill Book Company  1936 
 - xi,365p.  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Specific techniques; apparatus, equipment, materials<br/>Soil fertility, acidity, alkalinity<br/>Soil science
<br/><br/><label>Dewey Class. No.: </label>631.45  / AYR