Hagan, Robert Mower,    1916- <br/><br/>
Successful irrigation :   planning, development, management /  
[b y] Robert M. Hagan, Clyde E. Houston [and] Stephen V. Allison. 
 - Rome :   Food and Agriculture Organization of the United Nations,   1968. 
 - 53 p. :    ill. ;    28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigation.--------