Soil and water conservation engineering 
by Glenn O. Schwab ... (et al.) 
 - 3rd ed. 
 - New York  Wiley  1981 
 - 525 p.; 23 cm. 
<br/><br/>Includes index 
<br/><br/><label>LCCN: </label>80-27961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation<br/>Water conservation<br/>Agricultural engineering