Large-scale groundwater development / 

 - New York :  UN ,  1960 
 - vi, 84p. ;  20 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  <Natural resources><Water><Groundwater>
<br/><br/><label>Dewey Class. No.: </label>333.91  / UN-5