Hagan, Robert M <br/><br/>
Irrigation of agricultural lands 

 - Madison  American Society of Agronomy  1967 
 - 1180 p. 
 - Agronomy .
<br/><br/><label>Subjects--Topical Terms: </label><br/>WATER CONSERVATION
<br/><br/><label>Dewey Class. No.: </label>631.7  / IRR