CENTIN/IETRES 



V. e T R E 



-" ' ' 1 1 1 I i_ 



HQR/ZO N TAL SCALE 



Fig. 97.— Section of Well No. 6 



BuRi Water Works, Khartoum 



The cement grouting entirely prevented contamination from 



Blue Nile Water along strata of "Travertine" 



From plan prepared by Mr. Williams aud reproduced with the kiud 

 permission of the Director of Works 





Fig. 98.— Water Tower 



Fig. 99.— Well Head showing pipe of Air-Lift 



