Schwab, Glenn O. <br/><br/>
Elementary soil and water engineering / 
[by] Glenn O. Schwab, Richard K. Frevert, Kenneth K. Barnes, Talcott W. Edminster. 
 - New York :  John Wiley & Sons,  1957. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural engineering.<br/>Soil conservation.<br/>Water conservation.