Large-scale ground-water development. 
United Nations. Water Resources Development Centre. 
 - New York,  Water Resources Development Centre,  1960. 
 - vi, 84 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water resources development.
<br/><br/><label>Dewey Class. No.: </label>333.91  / LAR 1960