Dr. Tenalem, AyenewWolderfuel, Girma2021-12-152023-11-182021-12-152023-11-181999-06http://etd.aau.edu.et/handle/12345678/29321For the devolopmant of Addis Ababa city' s water supply, the re needs to des ign a project of constru cting IwO darns and a 4.8 kill transmission tunnel through the Entoto ridge, by the Add is Ababa Water and Sewrage Authority (AA WSAenEngineering GeologicalThesis