Ayres, Quincy Claude.  <br/><br/>
Soil erosion and its control / 
Quincy Claude Ayres. 
 - 1st ed. 
 - London :   McGraw-Hill,  c 1936. 
 - xi, 365 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p. 341-352 
<br/><br/>346  346 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil erosion.
<br/><br/><label>Dewey Class. No.: </label>631.45 / A24s