Annual report for the year 1950. /  
Irrigation Research Institute. 
 - Lahore:   Irrigation research institute;   1950. 
 - Various pages:  illustration,pictures,diagrams 
 -  Vol-I .
<br/><br/>Tube wells<br/><br/> Lining of channels Investigation on seepage 
<br/><br/><br/>In English 
<br/><br/> Pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tubewells | Testing of materials | Index
<br/><br/><label>Dewey Class. No.: </label>530 ANN 1950