The Gal Oya valley project in Ceylon 

 - Colombo  Department of Information  1951 
 - 44p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GAL OYA VALLY PROJECT<br/>SRI LANKA
<br/><br/><label>Dewey Class. No.: </label>338.9548  / G14